was targeted that same evening. Circa 1999: In the late 1990s, Graeme White was found guilty and sent to prison for tunneling into an abortion clinic with what the police described as "incendiary devices". United States Murders In the United States, violence directed towards abortion providers has killed at least eleven people, including four doctors, two clinic employees, a security guard, a police officer, two people (unclear of their connection), and a clinic escort. Seven murders occurred in the 1990s. March 10, 1993: Gynaecologist David Gunn of Pensacola, Florida was fatally shot during a protest. He had been the subject of wanted-style posters distributed by Operation Rescue in the summer of 1992. Michael F. Griffin was found guilty of Gunn's murder and was sentenced to life in prison. July 29, 1994: John Britton, a physician, and James Barrett, a clinic escort, were both shot to death outside another facility, the Ladies Center, in Pensacola. Paul Jennings Hill was charged with the killings. Hill received a death sentence and was executed on September 3, 2003. The clinic in Pensacola had been bombed before in 1984 and was also bombed subsequently in 2012. December 30, 1994: Two receptionists, Shannon Lowney and Lee Ann Nichols, were killed in two clinic attacks in Brookline, Massachusetts. John Salvi was arrested and confessed to the killings. He died in prison and guards found his body under his bed with a plastic garbage bag tied around his head. Salvi had also confessed to a non-lethal attack in Norfolk, Virginia days before the Brookline killings. January 29, 1998: Robert Sanderson, an off-duty police officer who worked as a security guard at an abortion clinic in Birmingham, Alabama, was killed when his workplace was bombed. Eric Rudolph admitted responsibility; he was also charged with three Atlanta bombings: the 1997 bombing of an abortion center, the 1996 Centennial Olympic Park bombing, and another of a lesbian nightclub. He was found guilty of the crimes and received two life sentences as a result. October 23, 1998: Barnett Slepian was shot to death with a high-powered rifle at his home in Amherst, New York. His was the last in a series of similar shootings against providers in Canada and northern New York state which were all likely committed by James Kopp. Kopp was convicted of Slepian's murder after being apprehended in France in 2001. May 31, 2009: George Tiller was shot and