mens rea, and punishment. The mens rea
can vary with different offenses, such as various degrees of murder or sexual assault. It may also be
disregarded for strict liability offenses that punish actions without considering intent. Criminal law
provides the accused opportunities to present several defenses based on lack of criminal intent:
entrapment, self-defense, necessity, duress (coercion), immaturity, mistake, intoxication, and insanity.
Standards for the insanity defense vary by jurisdiction, with various state and federal courts using several
different tests.
The provisions of the Bill of Rights were not applicable to state and local officials until the mid–
twentieth century, when the Court incorporated most of the Bill of Rights’ specific provisions into the due
process clause of the Fourteenth Amendment. The Fourth Amendment prohibition of unreasonable
Key Terms
Bill of Rights – The first 10 amendments added to the U.S. Constitution to provide specific rights
for individuals, including criminal justice rights concerning searches, trials, and punishments. (p.
94)
civil law – Law regulating the relationships between or among individuals, usually involving
property, contracts, or business disputes. (p. 78)
double jeopardy The subjecting of a person to prosecution more than once in the same
jurisdiction for the same offense; prohibited by the Fifth Amendment. (p. 96)