Homicide Lawyer In San Jose, CA

At The Nieves Law Firm, APC, we defend people facing murder and manslaughter charges in San Jose and throughout Santa Clara County. We have been doing this work since 2012.

California reported 1,374 homicides in 2025, according to the California Department of Justice. A murder or manslaughter prosecution can expose a person to decades in prison or life imprisonment, making early investigation and defense preparation especially important.

California Penal Code section 187 defines murder, and Penal Code section 192 covers manslaughter, which carries lesser penalties. The work starts long before trial: preserving evidence, finding witnesses before memories fade, and getting in front of the first hearing.

At The Nieves Law Firm, we speak Spanish, and we take confidentiality seriously. Before you share sensitive details, we can explain how confidentiality and attorney-client privilege apply to your conversation.. Our attorneys appear regularly in Santa Clara County Superior Court, and we are ready to defend you.

Why Work With The Nieves Law Firm in San Jose

Trial readiness is the leverage

Thorough trial preparation can strengthen the defense’s position in both litigation and negotiations. Every murder case is built from day one as if it will be tried, and that preparation shapes what the prosecution is willing to offer.

Criminal defense is what this firm does

Since 2012, the firm has focused on criminal defense, including violent felony charges and murder under California Penal Code section 187. Homicide cases involve some of the most serious charges and potential penalties under California law, making the choice of criminal defense counsel especially important.

Se habla español

The firm serves English and Spanish speaking clients, so a parent who is more comfortable in Spanish can ask questions directly instead of relying on a child to translate the hardest conversation of their life.

National media turn to this attorney for insight

Founding attorney Jo-Anna Nieves has been trusted for criminal defense commentary by ABC News, Court TV, Forbes, and Nancy Grace Crime Stories.

You will not be left in the dark

Families get updates, get their calls returned, and know what is coming before it happens.

Your family member is a person, not a file number

Freedom, reputation, work, family, and immigration status are all part of what gets protected here.

What Our Clients Say About Us

“They took the time to clearly explain every step of the legal process.” Conan L.

Families facing serious charges need to understand what is happening at each hearing, not just be told to wait.

“Grace was the victorious attorney who appeared in court for me… fully prepared and completely in control of the narrative.” Ms. Espinoza

Courtroom preparation is what separates a defense that reacts from one that leads.

“He truly cares about people, not just cases.” Channing W.

Clients are treated as people with families, jobs, and futures on the line.

“They set realistic expectations and followed through on everything they said.” Conan L.

Honest answers matter more than promises when a family is deciding who to trust.

“Peace of mind is priceless, and they restored mine.” Ms. Espinoza

Knowing someone capable is handling the case lets a family breathe again.

Can a Murder Charge Be Reduced to Voluntary or Involuntary Manslaughter?

Yes. In California, a murder charge may sometimes be reduced to manslaughter when the evidence does not support the malice required for murder. Penal Code §192 recognizes both voluntary and involuntary manslaughter, but the circumstances that can support each are different.

Voluntary manslaughter may apply when a killing occurs:

• In the heat of passion after legally sufficient provocation.
• In imperfect self-defense or imperfect defense of another, where a person actually but unreasonably believed deadly force was necessary to defend themselves or another person.

Involuntary manslaughter generally involves an unlawful killing without an intent to kill, such as a death resulting from certain unlawful acts or criminal negligence. It is therefore based on a different theory than heat of passion or imperfect self-defense.

The distinction between murder and manslaughter can determine not only the charges a person faces, but also the potential penalties and how the defense approaches the case.

A manslaughter lawyer can examine the evidence surrounding intent, malice, provocation, self-defense, and the circumstances of the killing to determine whether the prosecution can prove murder or whether the facts support a lesser offense.

Because these distinctions can turn on highly fact-specific legal standards, working with a murder and manslaughter lawyer can be especially important when challenging how the prosecution has characterized the killing.

What Defenses Can Be Used in a California Murder Case?

Common defenses and challenges in a homicide case may include:

Self-defense or defense of another. A killing may be legally justified when a person reasonably believes that they or someone else is in imminent danger of being killed or suffering great bodily injury, reasonably believes deadly force is necessary to stop that danger, and uses no more force than reasonably necessary.

Mistaken identity or alibi. Eyewitness identifications, surveillance footage, phone records, location data, DNA, and other evidence may be used to challenge whether the accused was the person who committed the killing or was even present when it occurred.

Lack of malice. Murder requires the prosecution to prove express or implied malice. The accused person’s intent, conduct, knowledge, and the surrounding circumstances can therefore be critical to determining whether the prosecution can prove murder or whether the evidence supports a lesser offense.

Heat of passion. A killing that would otherwise constitute murder may be reduced to voluntary manslaughter when legally sufficient provocation and heat of passion negate the malice required for murder.

Imperfect self-defense or defense of another. When a person actually believes deadly force is immediately necessary to defend themselves or another person, but that belief is unreasonable, the circumstances may reduce murder to voluntary manslaughter rather than provide a complete defense.

Lack of causation. The prosecution must prove that the accused person’s conduct legally caused the death. Medical evidence, the timing of injuries, intervening events, or competing causes of death can become important when causation is disputed. A defense may therefore focus not only on what the accused did, but on whether that conduct actually caused the death under California law.

Challenges to forensic evidence. DNA, firearms evidence, fingerprints, digital evidence, cell phone data, toxicology, and autopsy findings may all require independent review. A homicide defense lawyer may challenge how evidence was collected, preserved, tested, interpreted, or presented.

Constitutional and evidentiary challenges. Statements, physical evidence, searches, identification procedures, and other evidence may be challenged when law enforcement violated the accused person’s constitutional rights or when the evidence is otherwise inadmissible.

There is no single defense that applies to every murder case. A San Jose murder lawyer can evaluate the prosecution’s theory alongside the witness statements, forensic evidence, police investigation, and circumstances surrounding the death to determine which defenses or lesser-offense arguments are supported by the evidence.

At The Nieves Law Firm, we examine both what the prosecution claims happened and what it can actually prove beyond a reasonable doubt.

Our Homicide Services in San Jose

• Murder charge defense under Penal Code section 187
• First and second degree murder cases
• Manslaughter defense under Penal Code section 192
• Attempted murder defense
• Felony murder rule challenges
• Penal Code section 1172.6 resentencing petitions
• Violent crimes defense
• Self-defense and imperfect self-defense claims
• Pretrial motions and evidence suppression
• Special circumstances allegation defense

What Should To Do Immediately After A Loved One Is Arrested For Homicide In San Jose?

Call a criminal defense attorney before your family member says anything to investigators. Tell your loved one, in whatever language they understand best, to stay silent and ask for a lawyer. The San Jose Police Department Homicide Unit is building its case within hours, and anything said to detectives becomes part of it.

Do not discuss the case on jail phone lines. Calls from the Santa Clara County Main Jail are recorded and prosecutors from the Santa Clara County District Attorney’s Office may obtain and use relevant nonprivileged jail recordings as evidence. That includes conversations in Spanish or other languages.

Evidence disappears fast. Surveillance video may be overwritten, witnesses’ memories can change, and electronic records may require prompt preservation. An early defense investigation can also identify forensic issues involving phones, firearms, DNA, medical evidence, or the autopsy.”

Private counsel can begin an independent investigation at arrest instead of waiting until after arraignment or another early hearing at the Santa Clara County Hall of Justice, located at 190–200 West Hedding Street in San Jose..

Gather what you have: names of people who were present, receipts, photos, phone records. If the case also involves weapons charges in San Jose, mention that on your first call. We understand that discussing a criminal case can involve highly sensitive information. We take your privacy and confidentiality seriously.

About The Nieves Law Firm

The Nieves Law Firm, APC has practiced criminal defense since 2012, serving families across the Bay Area and Sacramento. Founding attorney Jo-Anna Nieves built the firm around one focus, criminal defense, including the most serious charges a family can face, such as murder, attempted murder, and manslaughter.

National media outlets including ABC News, Court TV, Forbes, and Nancy Grace Crime Stories have turned to her for legal insight on criminal cases.

The work is built for people who have too much to lose. That means protecting freedom, reputation, career, family, immigration status, and future, and treating the person charged as a human being rather than a case number.

What Are the Penalties for Murder in California?

The sentence depends primarily on whether the conviction is for first-degree or second-degree murder and whether the prosecution proves any special circumstances that increase the punishment.

| Murder Charge | Potential Sentence |

| —– | —– |

| First-Degree Murder | Generally 25 years to life in state prison; certain circumstances can result in life without the possibility of parole or death |

| Second-Degree Murder | Generally 15 years to life in state prison |

| First Degree Murder With Special Circumstances | May result in life without the possibility of parole or death where sought and imposed |

| Certain Enhanced Murder Cases | Some circumstances can lead to even longer minimum terms before parole eligibility |

Our Process in San Jose for Homicide Defense

1. Confidential Consultation

You tell us what happened, and we listen without judgment. When you contact our firm for a consultation, we take appropriate steps to protect confidential information. We use what you share to e walk you through the options available and to determine how we can help.

2. Case Investigation

We pull and review the police reports, autopsy findings, forensic testing, witness statements, and any surveillance video ourselves. Starting early matters, because the prosecution’s version of events hardens fast once witnesses settle into their stories.

3. Defense Strategy

We look for the holes in what the prosecution has to prove, like intent, cause of death, who was actually there, and the degree of the offense. Then we weigh the defenses that fit the facts, including self-defense, defense of others, lack of intent, mistaken identity, and alibi.

4. Pretrial Litigation

We file motions to throw out evidence taken unlawfully, challenge how police ran photo lineups and witness identifications, and push back on the charges filed by the Santa Clara County District Attorney.

5. Negotiation From Strength

Prosecutors negotiate differently when they know the other side is ready for trial. Where the evidence supports it, we use that position to pursue reduced charges or dismissal.

6. Trial Preparation And Representation

If the case goes to trial in Santa Clara County Superior Court, we are prepared to try it, not just settle it. Your family member gets a defense built for a jury from the first week we are hired.

Frequently Asked Questions About Homicide Defense

What Is The Difference Between First-Degree Murder And Second-Degree Murder In California?

California law (Penal Code section 187) defines murder as an unlawful killing with malice, and Penal Code section 189 splits it into degrees. First-degree murder means the killing was willful, deliberate, and premeditated, or happened during certain felonies.

What Should Someone Do If San Jose Police Want To Question Them About A Homicide?

Say clearly that you want a lawyer and then stop talking. You have the right to remain silent and the right to an attorney, and police can question a person for hours without an arrest.

How Does California Self-Defense Law Apply To A Homicide Charge?

Under Penal Code sections 197 and 198 and CALCRIM No. 505, a killing is lawful when a person reasonably believed they faced imminent death or great bodily injury and used no more force than necessary. The belief must be honest and reasonable based on what that person knew at the time.

Can Someone Be Charged With Murder Even If They Did Not Pull The Trigger?

Yes. A person can be charged with murder even if they did not personally kill the victim, but California has significantly narrowed when a person who was not the actual killer can be convicted under the felony-murder rule. Under Penal Code section 189, felony-murder liability may apply when a non-killer acted with intent to kill and aided or assisted the actual killer, or when the person was a major participant in the underlying felony and acted with reckless indifference to human life.

How Long Does A Murder Case Take In Santa Clara County Superior Court?

There is no standard timeline for a murder prosecution. A homicide case can take many months or longer to resolve, particularly where the case involves extensive forensic evidence, expert witnesses, pretrial motions, or a jury trial. After arraignment, the case moves to a preliminary hearing where a judge decides whether there is enough evidence, then into pretrial motions and trial.

Will A Murder Charge Affect Immigration Status?

Yes. Murder is classified as an aggravated felony under federal immigration law, and an aggravated-felony conviction generally makes a noncitizen deportable and can sharply limit available immigration relief. Anyone facing homicide charges who is not a U.S. citizen should have the criminal and immigration consequences evaluated together.

Local Resources in San Jose For Murder and Homicide Defense

• Santa Clara County Superior Court

The trial court handling all felony criminal cases in the county.

• Hall of Justice

Houses criminal courtrooms and related court services at 190–200 West Hedding Street in San Jose.

• Santa Clara County Medical Examiner-Coroner

Conducts autopsies and issues official cause-of-death determinations for unnatural or suspicious deaths.

• San Jose Police Department

The primary municipal law enforcement agency responsible for investigating violent crimes within the city.

• Santa Clara County Sheriff’s Office

Operates the main jail facilities and provides law enforcement in unincorporated areas of the county.

• Santa Clara County Clerk of the Court

Maintains official court records, case filings, and docket information for criminal matters.

• California Department of Justice, Bureau of Forensic Services

The state laboratory that processes forensic evidence, including DNA and ballistics, submitted by law enforcement.

• Santa Clara County Office of the Medical Examiner, Records Unit

Processes public requests for autopsy reports and death investigation records.

• Santa Clara County Pretrial Services

Evaluates defendants and makes recommendations to the court regarding bail and release conditions.

Contact The Nieves Law Firm in San Jose

A murder charge under Penal Code section 187 is among the most serious criminal charges a person can face in California. Cases in Santa Clara County Superior Court move fast, and the days before the first hearing are days you cannot get back. Evidence can change or disappear, witnesses may become harder to locate, and the prosecution’s investigation may already be underway before the first court hearing. Early defense preparation can matter.

Call us or send a message through the contact form if you cannot speak freely by phone. Se habla espanol.