An American serial killer suspected by police to have murdered as many as 60 people; David tortured and presumably killed his victims in a $100,000 homemade torture chamber he called "The Toy Box."
2019
2013
2005
2009
2010
1989
1971
1942
2011
1985
1990
2001
1928
1921
1961
1977
1953
1970
