#18 Frank Carter, known as the “Omaha Sniper,” was finally arrested in February 1926. He was convicted of killing two men, though he confessed to 43 other murders, many of which couldn’t be substantiated. His lawyers used the insanity defense in court, but he was executed a year later.

Rare Mugshots from the Wild West’s Most Notorious Outlaw era, 1860s-1910s

#18 Frank Carter, known as the “Omaha Sniper,” was finally arrested in February 1926. He was convicted of killing two men, though he confessed to 43 other murders, many of which couldn’t be substantiated. His lawyers used the insanity defense in court, but he was executed a year later.

Places & People