He stabbed and robbed his victims between 1953 and 1959; arrested, he was executed by hanging in 1960.[100] Jimmy Maketta South Africa 2005 16 16 Pleaded guilty to and convicted of 16 murders and 19 rapes committed over the nine-month period of April to December 2005.[101] Jack Mogale South Africa 2008 to 2009 16 16 Raped and strangled women in the Donnybrook area. Convicted of 16 murders and 19 rapes, nine kidnappings, robbery and assault.[102] Robert Lee Yates United States 1975 to 1998 16 16 Killed prostitutes in the "Skid Row" area of E. Sprague Avenue in Spokane, Washington. Sentenced to 408 years in prison and two death sentences.[103] Carroll Cole United States 1948 to 1980 16 16 Killed 16 people in California, Nevada, Texas.[104] Executed by lethal injection in 1985.