| A | B |
| no crime has been committed | the defendant may present evidence to show that eith no criminal act was committed or that no criminal intent was involved |
| defendant did not commit the crime | the defendant might present evidence of a mistake in identity or offer an alibi |
| act excusable or justified | self-defense, defense of property, defense of others |
| infancy | the legal defense of a person considered not yet legally responsible for his orher actions; the time before which a person becomes entitled to the legal rights and responsibilties normally held by citizens |
| intoxication | a state of drunkenness or similar condition created by the use of drugs or alcohol |
| insanity | defense raised by a crminal defendant stating that because of mental disease or defect, the defendant shouldnot be held responsible for the crime committed |
| entrapment | an act by law enforecement officials to persuade a person to commit a crime that the person would not otherwise have commiteed. If proven, entrapment is a valid defense to a criminal charge |
| duress | unlawful pressure on a person to do someting that he or she would not otherwise do. It may be a defense to a criminal charge |
| necessity | a defense to a criminal charge taht shows a just and lawful reason for the defendant's conduct |