Alameda California Jury Instruction — Insanity is a set of legal guidelines provided to the jury in criminal trials within the jurisdiction of Alameda County, California. These instructions help the jury determine whether a defendant should be held legally responsible for their actions based on their mental state at the time of the alleged crime. The term "insanity" refers to a defense used by the accused to argue that they should not be held accountable due to a mental illness or defect. Under the Alameda California Jury Instruction — Insanity, several types of instructions exist to provide further clarity on this complex issue. These instructions include: 1. M'Naughten Rule: This standard instructs the jury that a defendant is legally insane if, at the time of the offense, they were unable to understand the nature and quality of their actions or distinguish right from wrong due to a mental disorder. 2. Irresistible Impulse Test: This instruction considers whether, due to a mental illness, the defendant was unable to control their actions or refrain from committing the crime, even if they understood it was wrong. 3. Durham Rule: Some Alameda County jury instructions may also include the Durham Rule, which defines insanity as the defendant's actions being the product of mental illness. This instruction broadens the criteria for determining insanity beyond the M'Naughten Rule or Irresistible Impulse Test. 4. Model Penal Code Test: Alameda County may utilize instructions based on the Model Penal Code (MPC) Test, which considers whether a defendant lacked substantial capacity to appreciate the wrongfulness of their conduct or conform their conduct to the requirements of the law due to a mental illness. As the jury makes its decision, it must carefully evaluate the evidence presented by both the prosecution and defense regarding the defendant's mental state. It should be noted that the burden of proof for establishing insanity lies with the defense. If the jury determines that the defendant meets the criteria for insanity, they may find the defendant not guilty by reason of insanity, which can result in confinement to a mental health facility rather than a prison sentence. Overall, Alameda California Jury Instruction — Insanity ensures that the jury can make an informed decision regarding a defendant's legal responsibility in light of their mental state at the time of the offense.