Here's a look at the life of John Hinckley, Jr., who attempted to kill President Ronald Reagan in 1981, but was found not guilty by reason of insanity.
Personal: Birth date: May 29, 1955
Birth place: Ardmore, Oklahoma
Birth name: John Warnock Hinckley, Jr.
Father: John W. Hinckley, Sr., an oil exploration business owner
Mother: Jo Ann (Moore) Hinckley
Education: Attended Texas Tech University for seven years
Other Facts: Stalked actress Jodie Foster for a time and says he was trying to impress her with the Reagan assassination attempt. He says he became obsessed with her after seeing her in the movie "Taxi Driver," in which the main character tries to assassinate a U.S. senator.
Whenever he leaves the hospital, Hinckley carries a GPS equipped cell phone and is sometimes followed by Secret Service agents.
Timeline: October 9, 1980 - Hinckley is arrested at Nashville International Airport for possession of three firearms. President Jimmy Carter is in town that same day.
March 30, 1981 - At 2:25 pm EST, President Ronald Reagan comes out of the Hilton Hotel in Washington, DC. Hinckley is waiting for him in the crowd and begins shooting. One bullet hits Reagan in his left lung. Also injured are Press Secretary James Brady, Secret Service agent Timothy J. McCarthy and Washington police officer Thomas K. Delahanty. Brady is shot in the head and partially paralyzed. Hinckley is handcuffed moments after firing six shots at Reagan from almost point-blank range.
March 31, 1981 - The federal government formally charges Hinckley with attempting to assassinate the president and assaulting a Secret Service officer.
May 27, 1981 - Takes a Tylenol overdose in an attempt to harm himself.
August 28, 1981 - At his arraignment, Hinckley pleads not guilty by reason of insanity to a 13-count indictment.
November 15, 1981 - Hinckley tries to commit suicide a second time by hanging himself with an article of clothing.
May 4, 1982 - Trial begins.
June 21, 1982 - Hinckley is found not guilty by reason of insanity. He is committed to St. Elizabeths Hospital in Washington, DC.
February 13, 1983 - Hinckley makes a third suicide attempt since the shooting, this time by an overdose of antidepressant medication.
1985 - Hinckley's parents establish a non-profit organization called the American Mental Health Fund, to raise money for mental health research.
1985 - Hinckley's doctors report his condition to be in "full remission."
1986 - Hinckley makes a brief, supervised visit to his see parents.
January 15, 1999 - The U.S. Court of Appeals for the District of Columbia in Washington, DC rules that Hinckley can make supervised trips out of the hospital, accompanied by hospital personnel.
August 12, 1999 - Hinckley makes a brief, supervised visit outside of the hospital.
April 11, 2000 - Representatives at St. Elizabeths Hospital recommend allowing Hinckley unsupervised visits with family.
June 29, 2000 - The hospital withdraws its recommendation for unsupervised visits to Hinckley's parents' Williamsburg, Virginia, home following a hearing in which prosecutors provide evidence of Hinckley's continued interest in violent books and music.