Question: On July 1, 1990, Jeff shot Megan during a bank robbery. Megan remained on life-support systems until September 4, 1991. At that time the systems were disconnected and she ceased breathing. On June 15, 1991, her physician had declared her brain dead. It was not until September 4, 1991, that her family decided to stop the life-support system. Jeff is charged with murder. Discuss any defenses he may have.