A look at the violent story of "highway hooker" Aileen Wuornos, who was convicted of killing seven men after her lesbian lover became the star witness for the prosecution. Wuornos was executed in 2002.
The story of Chevie O'Brien Kehoe, who was taught to be a white supremacist by his father and then went on a crime and murder spree.
Klan leader Sam Bowers goes on trial for ordering the murder of an African-American storeowner 32 years prior, and investigators reopen the unsolved case of an African-American truck driver who was forced to leap to his death from a bridge by Klan members.
These individuals have etched their names into history by plotting and executing the murders of prominent people. Whether their motivations were political, obsessive, or just plain insane, their high-profile murders earn them fame, fear and revulsion from the public. John Wilkes Booth shocked the nation when he assassinated Abraham Lincoln at Ford's Theater, James Earl Ray's assassination of Martin Luther King Jr. was a tragic chapter in the civil rights struggle. See our picks, along with full biographies, photo galleries and videos, of these and other infamous assassins, who changed the course of history in the most brutal of ways.