Los Angeles Murder Defense Attorneys

Are You in Need of a Murder Defense Lawyer?

A murder accusation is one of the most serious criminal charges a person can face. A conviction can result in decades behind bars, life imprisonment, or other devastating consequences. Prosecutors devote extensive resources to homicide investigations, often working alongside law enforcement agencies, forensic experts, and specialized units to build their case.

At Werksman Jackson & Quinn LLP, our Los Angeles murder defense lawyers understand what is at stake. Our attorneys include former prosecutors who know how homicide cases are investigated, charged, and prosecuted. We use that insight to identify weaknesses in the government's evidence and build powerful defense strategies designed to protect our clients.

You should contact a Los Angeles murder defense lawyer if:

• You have been arrested for murder or homicide.
• Detectives have requested an interview.
• You believe you are a suspect in a death investigation.
• A loved one has been charged with murder.
• Law enforcement has executed a search warrant involving a homicide case.
• Prosecutors have filed charges against you.

Why Choose Us Over Other Murder Defense Attorneys in Los Angeles?

Not all criminal defense firms have the experience or resources required to handle complex homicide cases. At Werksman Jackson & Quinn LLP, clients benefit from the collective strength of an accomplished legal team with decades of courtroom experience. Our reputation has been built on decades of successful advocacy, strategic litigation, and relentless defense of our clients' constitutional rights.

Here’s what sets our firm apart:

• Firm founded in 1994 with decades of criminal defense experience and a long history of successful case results.
• Former Deputy District Attorneys and former federal prosecutors on our legal team who understand how the government builds criminal cases.
• AV-rated by Martindale-Hubbell, their highest rating for ethical standards and legal ability
• Multiple attorneys recognized by Super Lawyers based on peer reviews and independent research
• Alan Jackson named among California's Top 100 Lawyers for his outstanding legal achievements.
• Alan Jackson has tried more than 85 jury trials with a career success rate of 96%, demonstrating exceptional courtroom skill.
• Mark J. Werksman is a former Deputy District Attorney and former Assistant United States Attorney with decades of experience.
• Kelly Quinn is a certified specialist in writs and appeals, providing valuable appellate insight.
• Our attorneys have represented celebrities, public figures, professionals, and individuals facing high-profile criminal allegations nationwide.
• Clients receive the support of an entire defense team, not just a single attorney, throughout every stage of their case.

You Deserves a Proven Defense Team

When facing murder charges, it helps to have a whole firm behind you. Call (213) 688-0460 to learn more today.

Types of Murder Charges in California

California law recognizes several forms of criminal homicide. The specific charge filed depends on the circumstances surrounding the alleged killing, the defendant's intent, and other relevant factors.

First-Degree Murder

First-degree murder involves a deliberate, willful, and premeditated killing. Prosecutors must generally prove that the defendant intended to kill and planned the act beforehand.

First-degree murder cases often involve deliberate and premeditated acts, such as planned shootings, poisonings, “lying in wait” ambush attacks, or certain felony murder situations. Prosecutors must generally prove that the defendant intentionally killed another person after careful consideration or planning.

Second-Degree Murder

Second-degree murder generally involves an intentional killing that was not premeditated or planned in advance. It may also involve conduct demonstrating a conscious disregard for human life.

Examples can include fatal assaults, certain reckless acts demonstrating a conscious disregard for human life, and impulsive killings that occur during confrontations or heated disputes. Although second-degree murder is considered less severe than first-degree murder, the penalties remain substantial.

Additional Homicide Charges

If prosecutors cannot prove the "malice aforethought" required for murder, meaning the intent to kill or a conscious disregard for human life, they may pursue one of several lesser homicide offenses under California law.

Voluntary Manslaughter

Voluntary manslaughter is often described as a "heat of passion" killing. It typically occurs during a sudden quarrel or while the defendant is experiencing intense emotions that would cause a reasonable person to act without careful reflection. Although voluntary manslaughter is a serious felony, it carries less severe penalties than murder and is punishable by 3, 6, or 11 years in California state prison.

Involuntary Manslaughter

Involuntary manslaughter involves an unintentional killing that results from criminal negligence or the commission of an unlawful act that does not rise to the level of a felony. Unlike murder, there is no intent to kill. A conviction may result in a sentence of 2, 3, or 4 years in state prison.

Vehicular Manslaughter

Vehicular manslaughter occurs when a person causes another person's death while operating a motor vehicle in a negligent or reckless manner. These cases may involve DUI-related fatalities or other forms of dangerous driving behavior. Depending on the circumstances, penalties can range from probation to as much as 10 years in prison.

Because the distinction between murder and manslaughter can dramatically affect the potential penalties, an experienced homicide defense attorney can play a critical role in challenging the prosecution's allegations and seeking reduced charges when appropriate.

Factors That Can Lead to Aggravated Murder Charges

Certain circumstances can lead prosecutors to pursue enhanced penalties or more severe charges. Common aggravating factors include:

• Use of a Firearm. The alleged use of a firearm during a homicide can trigger substantial sentencing enhancements.
• Multiple Victims. Cases involving more than one death often result in heightened penalties and more aggressive prosecution.
• Prior Criminal History. A defendant's criminal record may influence charging decisions and sentencing outcomes.
• Gang Allegations. Prosecutors frequently seek sentencing enhancements when they believe a crime was committed for the benefit of a criminal street gang.
• Vulnerable Victims. The age, occupation, or condition of the victim may affect how prosecutors approach the case.

What Is a Capital Murder Case in California?

A capital murder case is a murder prosecution in which the defendant is charged with first-degree murder accompanied by one or more legally recognized special circumstances. These special circumstances elevate the severity of the offense and expose the defendant to the harshest penalties available under California law.

Examples of special circumstances that may lead to a capital murder prosecution include:

• Murder committed during the commission of certain felonies, such as robbery, rape, or kidnapping
• Murder for financial gain
• Multiple murders
• Murder of a peace officer, judge, prosecutor, or certain public officials
• Murder involving torture
• Gang-related murders under specific circumstances
• Hate crime-related murders

Historically, capital murder cases could result in either the death penalty or life imprisonment without the possibility of parole. Although California currently maintains a moratorium on executions, prosecutors may still pursue capital charges in qualifying cases, and defendants can still face a sentence of life without the possibility of parole if convicted.

Effective Legal Defense Strategies

Every murder case is unique. At Werksman Jackson & Quinn LLP, we conduct a comprehensive investigation to identify facts and evidence that support our client's defense. Depending on the circumstances, several legal strategies may be available.

Mistaken Identity

When identification evidence is unreliable, we work aggressively to expose those weaknesses before a jury. Witnesses can make mistakes. Stress, poor lighting, distance, trauma, and suggestive police procedures can all contribute to misidentification.

Our attorneys carefully evaluate:

• Eyewitness testimony
• Surveillance footage
• Cell phone records
• DNA evidence
• Forensic reports

Self-Defense or Defending Someone Else

California law recognizes the right to use reasonable force to protect yourself or another person from imminent harm. In some situations, a killing may be legally justified if:

• The defendant reasonably feared death or serious bodily injury.
• Force was necessary under the circumstances.
• The response was proportionate to the threat.

The Killing Was Unintentional

Not every death constitutes homicide Our defense team thoroughly examines the facts to determine whether intent can truly be established. Sometimes prosecutors overcharge cases that are more appropriately classified as accidental.

Police Misconduct

Law enforcement officers must follow constitutional procedures during investigations. When constitutional violations occur, evidence may be excluded from trial.

We investigate whether police engaged in:

• Illegal searches and seizures
• Coerced confessions
• Improper interrogations
• Evidence tampering
• Brady violations
• Witness intimidation

The Prosecution Did Not Prove Its Case

The burden of proof rests entirely with the prosecution. To obtain a conviction, prosecutors must prove guilt beyond a reasonable doubt. Our attorneys will scrutinize:

• Forensic evidence
• Witness credibility
• Expert testimony
• Chain of custody issues
• Investigative shortcomings

The Defendant Has an Alibi

An alibi defense demonstrates that the accused was somewhere else when the crime occurred. Strong alibi evidence can completely undermine the prosecution's theory of the case.

Evidence supporting an alibi may include surveillance footage, GPS records, cell phone data, receipts, witness testimony, and employment records. When supported by credible evidence, an alibi can create reasonable doubt and significantly weaken the prosecution's case.

Mistaken Identity

Misidentification remains one of the leading causes of wrongful convictions nationwide. Eyewitnesses may genuinely believe they identified the correct person while being mistaken. Our lawyers challenge flawed identification procedures and expose inaccuracies that could lead to wrongful convictions.

Former Prosecutors Fighting for You

Our legal team understands how homicide cases are built, and we know how to challenge them. Call (213) 688-0460 for a confidential consultation.

What Are the Penalties for Murder in California?

Murder convictions carry severe consequences that can affect every aspect of a person's life. Potential penalties may include:

First-Degree Murder

A conviction for first-degree murder may result in:

• Twenty-five years to life in prison
• Life imprisonment under certain circumstances

Second-Degree Murder

Penalties for second-degree murder may commonly include:

• Fifteen years to life in prison

Voluntary Manslaughter

Although less severe than murder, voluntary manslaughter remains a serious felony offense. A conviction may result in 3, 6, or 11 years in California state prison

Involuntary Manslaughter

A conviction for involuntary manslaughter may carry 2, 3, or 4 years in California state prison

Vehicular Manslaughter

The penalties for vehicular manslaughter depend on the circumstances of the offense and the level of negligence involved. Potential penalties may include:

• Probation in less severe cases
• County jail time
• Prison sentences ranging from 2 to 10 years
• Increased penalties for cases involving DUI or gross negligence

How a Lawyer Can Help

Murder investigations often begin long before formal charges are filed. Early legal intervention can make a substantial difference.

A skilled Los Angeles violent crime attorney can:

• Protect Your Constitutional Rights. Your attorney can prevent investigators from obtaining statements that may later be used against you.
• Conduct an Independent Investigation. Defense investigations often uncover facts overlooked by law enforcement.
• Challenge Weak Evidence. Forensic evidence is not always as reliable as prosecutors claim. Experienced attorneys know how to identify flaws in testing procedures, analysis, and conclusions.
• Retain Expert Witnesses. Expert witnesses may assist with complex issues involving DNA analysis, ballistics, medical evidence, crime scene reconstruction, and digital forensics. Their testimony can help challenge the prosecution's conclusions and provide alternative explanations for the evidence presented at trial.
• Negotiate With Prosecutors. In some situations, negotiations may result in reduced charges or more favorable outcomes.
• Provide Powerful Trial Representation. If a case proceeds to trial, experienced courtroom advocacy becomes essential. Our attorneys know how to cross-examine witnesses, challenge expert testimony, and present compelling defenses before juries.

What Clients Are Saying About Us

Highly recommend!!! -Anonymous (5-Star Avvo Review)

Best attorney to help with my case! He will fight for you all the way. I trusted him with my case and his team to assist me. Will go above and beyond to win and defend you. Highly recommend!!!

An extraordinarily phenomenal defense attorney-T Glaspie (5-Star Google Review)

Mr. Jackson is an extraordinarily phenomenal defense attorney! Extremely professional, poised, tenacious, and outright brilliant! Watching him litigate is a sight to see!

Speak With an Experienced Los Angeles Murder Defense Lawyer Today

If you are facing murder allegations in Los Angeles, do not wait to seek legal representation. The decisions you make during the early stages of a homicide investigation can significantly affect your future.

Werksman Jackson & Quinn LLP provides aggressive defense for clients facing the most serious criminal charges. Our team includes former prosecutors, nationally recognized trial lawyers, and accomplished appellate advocates who understand how to fight complex murder cases.

We offer free consultations, and we are prepared to begin protecting your rights immediately.

Call (213) 688-0460 to find out what one of the nation’s premier criminal defense firms can do for you.

Frequently Asked Questions About Murder Charges in California

What should I do if I am being investigated for murder but have not been arrested?

If you believe you are under investigation, contact a murder defense lawyer immediately. Do not speak with law enforcement without legal representation. An attorney can protect your rights, communicate with investigators on your behalf, and begin building a defense before charges are filed.

Can murder charges be dismissed before trial?

Yes. Murder charges may be dismissed if the prosecution lacks sufficient evidence, law enforcement violated the defendant's constitutional rights, or new evidence undermines the allegations. An experienced Los Angeles criminal defense lawyer can identify weaknesses in the prosecution's case and seek dismissal when appropriate.

What is the difference between first-degree and second-degree murder in California?

First-degree murder generally involves a willful, deliberate, and premeditated killing. Second-degree murder typically involves an intentional killing that was not planned in advance or conduct showing a conscious disregard for human life. The penalties for first-degree murder are generally more severe.

Can I claim self-defense if someone died during a confrontation?

Possibly. California law allows individuals to use reasonable force to defend themselves or others when facing an imminent threat of death or serious bodily injury. Whether self-defense applies depends on the specific facts and circumstances of the case.

What if I was wrongly identified as the person who committed the crime?

Mistaken identity is a common defense in homicide cases. Eyewitnesses can make errors, and identification procedures are not always reliable. Your attorney may challenge witness testimony, surveillance evidence, forensic findings, and police procedures to demonstrate that the wrong person was accused.

How long does a murder case take to resolve?

The timeline varies depending on the complexity of the case, the amount of evidence involved, and whether the matter proceeds to trial. Some murder cases take several months, while others may take years to fully resolve.

Can a murder conviction result in a life sentence?

Yes. Depending on the charge and circumstances involved, a murder conviction can lead to a sentence of 15 years to life, 25 years to life, or life imprisonment. Certain aggravating factors may increase the potential penalties.

What if the death was accidental?

An accidental death does not automatically constitute murder. The prosecution must prove the required mental state and other legal elements of the offense. In some situations, an accident may serve as a complete defense or support a reduction to a lesser charge.

Yes. If law enforcement obtained evidence through illegal searches, coerced statements, constitutional violations, or other misconduct, your attorney may seek to suppress evidence or challenge the prosecution's case. Police misconduct can sometimes result in reduced charges or dismissal.

Meet Our Murder Defense Attorneys

Mark J. Werksman

Mark J. Werksman is the founding partner of Werksman Jackson & Quinn LLP and one of California's most respected criminal defense attorneys. With a legal career spanning nearly four decades, he has earned a reputation for delivering strategic, aggressive, and results-driven representation in some of the most challenging criminal cases in state and federal courts.

Before becoming a defense attorney, Mark served as both a Deputy District Attorney and an Assistant United States Attorney. Since entering private practice, Mark has represented individuals accused of a wide range of offenses, including murder, robbery, sex crimes, white-collar offenses, healthcare fraud, tax fraud, embezzlement, firearms violations, and other complex state and federal criminal matters.

As the founder of Werksman Jackson & Quinn LLP, Mark has assembled a team of elite criminal defense attorneys, former prosecutors, and appellate specialists dedicated to protecting the rights of individuals facing criminal investigations and prosecutions. He believes clients deserve more than a single attorney—they deserve the collective experience, resources, and strategic insight of an entire defense team working together on their behalf.

Alan Jackson

Alan Jackson is one of California's most accomplished and sought-after criminal defense attorneys. As a partner at Werksman Jackson & Quinn LLP, he has built a national reputation for handling high-stakes criminal cases, complex investigations, and high-profile trials involving serious felony allegations.

Before entering private practice, Alan served as a prosecutor with the Los Angeles County District Attorney's Office, where he rose to become Assistant Head Deputy of the Major Crimes Division. In that role, he supervised and prosecuted some of the county's most serious criminal cases, including homicides and other major felony offenses.

Alan has tried more than 85 cases to jury verdict and has achieved an extraordinary career success rate of 96 percent. As lead counsel, he spearheaded the defense in the internationally followed Karen Read trial, further demonstrating his ability to manage highly publicized and legally complex matters.

Kelly Quinn

Kelly Quinn is a partner at Werksman Jackson & Quinn LLP and an accomplished criminal defense attorney known for her sharp legal analysis, persuasive advocacy, and command of complex appellate and post-conviction issues. As a certified specialist in writs and appeals, Kelly brings a highly valuable perspective to serious criminal cases, helping clients identify legal errors, preserve critical issues, and pursue strategic opportunities at every stage of litigation.

At Werksman Jackson & Quinn LLP, Kelly works as part of a powerful defense team that includes former prosecutors, veteran trial attorneys, and highly respected criminal defense lawyers. Her appellate background strengthens the firm’s ability to challenge unlawful convictions, improper rulings, constitutional violations, and procedural errors that can affect the outcome of a criminal case.

Kelly’s practice is especially important in high-stakes matters where careful legal strategy can make the difference between conviction and acquittal, or between an unfair sentence and a more favorable result. She understands how to evaluate trial records, craft persuasive legal arguments, and present complex issues clearly before the courts. Clients facing serious criminal allegations benefit from Kelly’s meticulous preparation and ability to see cases from both a trial and appellate perspective.

Notable Murder Case Results

• Alan Jackson served as lead defense counsel for Karen Read, who was acquitted of murder and manslaughter charges arising from the death of her boyfriend, Boston Police Officer John O’Keefe. Over the course of two highly publicized trials, Jackson developed a comprehensive defense strategy that challenged the prosecution’s theory and exposed significant flaws in the investigation. The defense presented evidence of investigative misconduct, inconsistencies in witness testimony, and forensic evidence that contradicted the Commonwealth’s version of events. The case garnered nationwide attention due to allegations of police bias, mishandled evidence, and a potential cover-up involving members of law enforcement. Following a mistrial in 2024, Read was retried in 2025, where the jury rejected the prosecution’s murder and manslaughter allegations. Jackson’s courtroom advocacy, cross-examinations, and strategic presentation of the evidence were instrumental in securing the highly anticipated acquittal.
• Alan Jackson defended a 22-year-old Bakersfield man accused of first-degree murder in the 2015 stabbing death of his brother. Alan and his team took over the case on the eve of trial. Notwithstanding the short time for preparation, Alan’s team undertook an exhaustive investigation, which revealed the killing was in self-defense. During the trial, Alan’s relentless cross-examination of the prosecution’s two main witnesses established that they were actually complicit in attacking Alan’s client, in the attack that led to the decedent’s death. The prosecution’s case crumbled and the DA dismissed the murder charges. Alan’s client, previously facing life in prison, walked out of court with probation and no time in jail.

View more case results obtained by the firm.

Additional Information

• Can DNA Evidence Alone Convict Someone of Murder in Los Angeles?
• Murder Charges in California: Legal Definitions and Defense Approaches
• Manslaughter Vs. Murder: What’s the Difference?
• California Penal Code Section 187 PC