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Homicide Defense

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Homicide defense is a branch of criminal law focused on representing individuals accused of unlawfully causing another person's death. It covers the full spectrum of charges the state may bring, from involuntary manslaughter—where death results from reckless or negligent conduct—to voluntary manslaughter, second-degree murder, and first-degree (premeditated) murder. The severity of the charge, and the potential punishment, turns on the accused person's intent and the specific circumstances surrounding the death.

Defense attorneys in this area examine whether the government can prove every element of the charge beyond a reasonable doubt. Common legal defenses include self-defense or defense of others, accidents, mistaken identity, mental state at the time of the act, and challenges to the reliability of forensic evidence, witness testimony, or police procedures. In some cases, attorneys negotiate reduced charges or sentences rather than proceeding to trial.

Because homicide is defined and prosecuted under state law, the exact definitions of each charge, available defenses, and sentencing ranges differ significantly from state to state and can change over time as legislatures revise statutes and courts issue new rulings. Anyone facing homicide-related charges—or seeking to understand them—should consult a licensed attorney in the relevant jurisdiction.

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Related practice areas

Assault and Battery DefenseDrug Crime DefenseDUI and DWI LawExpungement and Record SealingFederal Criminal DefenseJuvenile LawProbation and Parole ViolationsSex Crime Defense

Key definitions

Defined terms that recur in homicide defense — each links to its dictionary entry.

Criminal Negligence

Key cases of the U.S. Courts of Appeals

The most-cited decisions applying this area's U.S. Code — beyond the landmark cases above.

Homicide Defense by state

Courts, law libraries and state-specific resources. State law governs much of this area, so deadlines and rules vary by state.

Further reading

  • A Recent History of Homicide Investigation: Changes and Implications for Criminal Justice in England and Wales - Hardcover
    A Recent History of Homicide Investigation: Changes and Implications for Criminal Justice in England and Wales - Hardcover
    Sophie Pike
  • Homicide Justified: The Legality of Killing Slaves in the United States and the Atlantic World - Hardcover
    Homicide Justified: The Legality of Killing Slaves in the United States and the Atlantic World - Hardcover
    Andrew T. Fede
  • A Treatise On The Law Of Homicide In The United States: To Which Is Appended A Series Of Leading Cases - Paperback
    A Treatise On The Law Of Homicide In The United States: To Which Is Appended A Series Of Leading Cases - Paperback
    Francis Wharton
  • Justifiable Homicide: Battered Women, Self-Defense and the Law - Paperback
    Justifiable Homicide: Battered Women, Self-Defense and the Law - Paperback
    Cynthia K. Gillespie
  • The Homicide Manifesto - Paperback
    The Homicide Manifesto - Paperback
    Cpt Jose 'pepi' Granado
  • Offences Against the Person: Homicides and Non-Fatal Assaults in Uganda - Paperback
    Offences Against the Person: Homicides and Non-Fatal Assaults in Uganda - Paperback
    Lillian Tibatemwa-Ekirikubinza
  • Homicide Special: A Year with the LAPD's Elite Detective Unit - Paperback
    Homicide Special: A Year with the LAPD's Elite Detective Unit - Paperback
    Miles Corwin
  • Teen Gambling: Understanding a Growing Epidemic - Paperback
    Teen Gambling: Understanding a Growing Epidemic - Paperback
    Jeffrey L. Derevensky
  • Cold Case Research Resources for Unidentified, Missing, and Cold Homicide Cases - Paperback
    Cold Case Research Resources for Unidentified, Missing, and Cold Homicide Cases - Paperback
    Silvia Pettem
  • The Baldwinsville Homicide. Verbatim Report of the Trial of Owen Linsday, for the Murder of Francis A. Colvin - Paperback
    The Baldwinsville Homicide. Verbatim Report of the Trial of Owen Linsday, for the Murder of Francis A. Colvin - Paperback
    Tinsley &. Morgan
  • Crime Wave: The American Homicide Epidemic - Hardcover
    Crime Wave: The American Homicide Epidemic - Hardcover
    James Tuttle
  • Homicide: Life on the Street: Life on the Street - Paperback
    Homicide: Life on the Street: Life on the Street - Paperback
    Lisa Doris Alexander
  • Corporate Manslaughter and Corporate Homicide: Scope for a New Legislation In India - Paperback
    Corporate Manslaughter and Corporate Homicide: Scope for a New Legislation In India - Paperback
    Shivam Goel
  • A Case Control Study of Non-Domestic Solved and Un-Solved Homicides in Trinidad and Tobago - Paperback
    A Case Control Study of Non-Domestic Solved and Un-Solved Homicides in Trinidad and Tobago - Paperback
    Andre Norton
  • Murder in the Colony: South Australian homicides, 1836-1886 - Paperback
    Murder in the Colony: South Australian homicides, 1836-1886 - Paperback
    Paul Tucker
  • With Malice Aforethought: A Study of the Crime and Punishment for Homicide - Hardcover
    With Malice Aforethought: A Study of the Crime and Punishment for Homicide - Hardcover
    Louis Blom-Cooper
  • A Medico-Legal Treatise on Homicide by External Violence: With an Account of the Circumstances Which Modify the Medico-Legal Characters of Injuries an - Paperback
    A Medico-Legal Treatise on Homicide by External Violence: With an Account of the Circumstances Which Modify the Medico-Legal Characters of Injuries an - Paperback
    Alexander Watson
  • Crime Wave: The American Homicide Epidemic - Paperback
    Crime Wave: The American Homicide Epidemic - Paperback
    James Tuttle
  • Sexual Murder: Catathymic and Compulsive Homicides - Paperback
    Sexual Murder: Catathymic and Compulsive Homicides - Paperback
    Louis B. Schlesinger
  • Criminal Law Homicide: Degrees Of Murder And Defenses - Paperback
    Criminal Law Homicide: Degrees Of Murder And Defenses - Paperback
    Adeyemi Oshunrinade
  • The Book of modern legal anecdotes: the bar, bench and woolsack / edited by John Timbs. - Paperback
    The Book of modern legal anecdotes: the bar, bench and woolsack / edited by John Timbs. - Paperback
  • Murder Was Not a Crime: Homicide and Power in the Roman Republic - Paperback
    Murder Was Not a Crime: Homicide and Power in the Roman Republic - Paperback
    Judy E. Gaughan
  • A Treatise on the law of Homicide in the United States: To Which is Appended a Series of Leading Cases on Homicide, now out of Print, or Existing Only - Paperback
    A Treatise on the law of Homicide in the United States: To Which is Appended a Series of Leading Cases on Homicide, now out of Print, or Existing Only - Paperback
    Francis Wharton
  • Homicide Investigation: Practical Information For Coroners, Police Officers, And Other Investigators - Hardcover
    Homicide Investigation: Practical Information For Coroners, Police Officers, And Other Investigators - Hardcover
    Lemoyne Snyder

This overview is general legal information, not legal advice, and does not create an attorney–client relationship. Laws vary by state and change over time — consult a licensed attorney about your situation.