22 NOVEMBER 1963 - DALLAS, TEXAS: President John F. Kennedy slumps into the arms of his wife, Jackie, immediately after a sniper's bullet slammed into his head, November 22 1963, during a motorcade. Photo of the fatal assault was taken with a Polaroid camera by a woman watching the parade. (UPI Photo/Files)
Press Secretary James Brady wounded in Hinckley's attempt to kill pres. Ronald Reagan
Agents tend to Presidential Press Secretary James Brady and a wounded police office after subduing John Hinckley Jr. (right background), who got off six rounds at President Ronald Reagan on March 30, 1981. Photo by Don Rypka/UPI
self-portrait of John Hinkley who attempted to assassinate President Reagan
WAP82102802-28 NOVEMBER 1982-WASHINGTON, D. C. USA: The FBI 10/28 released this self-portrait of John Hinkley who attempted to assassinate President Reagan in March, 1981. The picture was made with a polaroid camera and was part of the evidence used in Hinckley's trail. (UPI Photo/Files)
Clutching his rosary beads, Senator Robert F. Kennedy lies wounded on the floor of the Ambassador Hotel, after being shot by assailant Sirhan Bashira Sirhan on June 5, 1968, following his victory speech in the California primary election. Kennedy's wife Ethel is at lower left. (UPI Photo/Files)
WAP98091407- 14 SEPTEMBER 1998 - WASHINGTON, D.C., USA: Former Alabama Governor, George Wallace, is seen here in undated file photo, going through physical rehabilitation after an assassination attempt, May 15, 1972. Wallace, whose political career was marked by resistance to racial integration, died September 13, at a Montgomery Hospital in Alabama..UPI rw/wy/FILES
Presidential Press Secretary James Brady gives “thumbs up” leaving home
Presidential Press Secretary James Brady gives a “thumbs up” sign as he leaves his home in Arlington on September 5, 1981 on his way back to George Washington Hospital. This marks the first time Brady was returned home to his wife Sarah, at left, since the attempt on President Reagan’s life. Brady was the most serious injured of the four people shot on March 30, 1981. (UPI Photo/Don Rypka/Files)
ISRAELI CHILDREN STAND BY A STATUE OF THE LATE ISRAELI PRIME MINISTER YITZHAK RABIN IN TEL AVIV
Israeli school children from northern Israel pose by a statue of assassinated Israeli Prime Minister Yitzhak Rabin near the site where he was murdered in 1995 in Tel Aviv by a Jewish extremists, November 6, 2005. Israel is marking the 10 year anniversary of Rabin's assassination with more than a week of commemorations. (UPI Photo/Debbie Hill)
Vice President Lyndon B. Johnson is sworn into the office of the Presidency aboard Air Force One hours after the assassination of President John F. Kennedy.
Vice President Lyndon B. Johnson is sworn into the office of the Presidency aboard Air Force One in Dallas, Texas, hours after the assassination of President John F. Kennedy. Johnson is flanked by wife, Lady Bird Johnson (L), and First Lady Jacqueline Kennedy during the ceremony, administered by U.S. District Judge Sarah Hughes, November 22, 1963. (UPI Photo)
CAR BOMB KILLS ANTI-SYRIAN PARLIAMENTARIAN IN BEIRUT
A car bomb detonated on Beirut's popular sea-front area killed 10 people including a prominent anti-Syrian parliamentarian, Walid Eido, who was close to slain former Prime Minister, Rafik Hariri, on June 13, 2007. The car bomb exploded killing Walid Eido, his son Khalid, two body guards and six civilians. Eido is the seventh Lebanese critique of Syria to be killed in two years. (UPI Photo)
A Secret Service agent studies Lincoln's assassination exhibit in the basement before the annual Ford's Theatre Gala attended by President George W. Bush and First Lady Laura Bush is taped in Washington, D.C. on June 24, 2007. The show will be shown during the Christmas season. (UPI Photo/Chris Maddaloni/POOL)
Scotland Yard assists in investigation into Bhutto assassination in Pakistan
Members of a team from Scotland Yard, along with Pakistani Police, inspect the site at Liaqat Bagh where slain opposition leader Benazir Bhutto was assassinated after public rally in Rawalpindi, Pakistan on January 5, 2008. (UPI Photo/Suhail Kureishi)
Jared Lee Loughner Photo After Arrest in Tucson, Arizona
Jared Lee Loughner is shown after his arrest on January 8, 2011 in Tucson, Arizona. He was arraigned on five federal charges including the attempted assassination of Congresswoman Gabrielle Giffords on January 10, 2011. Photo released by the Pima County Sheriff's Office on January 10, 2011. UPI/U.S. Marshalls/HO
Mourners Observe a Moment of Silence in Tucson....Flags Fly at Half-Staff Day after Assassination Attempt Against U.S. Rep Giffords in Florence, Arizona
Mourners observe a national moment of silence at 9 A.M. MDT two days after a young gunman shot and killed six people incuding U.S District Judge John Roll and critically wounded U.S Representative Gabrielle Giffords in Florence, Arizona on January 9, 2011. The assassination attempt occurred near a northern Safeway in Tucson on January 8, 2011. UPI/Gary C. Caskey