John Hinckley, Jr. and the attempted assassination of President Reagan

John Hinckley, Jr. arriving at a DC court in 2003. (AP)

Washington policeman Thomas Delahanty (front) and presidential Press Secretary James Brady (back) lie wounded as police and Secret Service agents wrestle John Hinckley, Jr. to the ground. (AP)

The attempted assassination left President Ronald Reagan and three others injured. (AP)

Doctors said Hinckley wanted to impress actress Jodie Foster, seen here in Cannes in 1976. (AP)

Secret Service agent Timothy McCarthy (front), Washington policeman Thomas Delahanty (center) and presidential Press Secretary James Brady (back), lie wounded as police and Secret Service agents wrestle John Hinckley, Jr. to the ground. (AP)

The Rohm RG-14 22-caliber pistol used by John Hinckley, Jr. (AP)

Undated photo of John Hinckley, Jr. (AP)

Accompanied by attorney Barry Levine (L), Jack and Jo Ann Hinckley arrive at U.S. District Court in Washington in 2003. (Reuters)