Bruce McArthur would meet his victims on gay dating apps and would later murder them and hide them in large planters.
Dorangel Vargas is a cannibalistic serial killer aka El Comegente which means “people eater” and also called Hannibal Lecter of the Andes.
Chisako Kakehi, aka the “Black Widow,” killed her husbands using health capsules with cyanide so she could inherit their wealth.
John Bunting is an Australian serial killer known as the ringleader of the Snowtown murders and dubbed as “Australia’s worst serial killer”.
Bobby Joe Long picked his victims with the help of classified ads—a method he was able to get away with for three years before his arrest.