【欧美性受XXXX黑人XYX性爽】BTK---Dennis Lynn Rader---Span of killings:1974-1991---Number of victims:10;【欧美性受XXXX黑人XYX性爽】The Backpacker Killer---Ivan Milat---Span of killings:1989-1994---Number of victims:7;【欧美性受XXXX黑人XYX性爽】Johann Unterweger---Span of killings:1976-1992---Number of victims:10-11