Detailed Instructions: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Q: Context : Naked Massacre (1976) Loosely based on the notorious Richard Speck murders, this is the grim tale of a disturbed Vietnam vet returning home via Belfast, who invades a house shared by eight nurses and proceeds to terrorize and murder them.
Answer : murder
A:
Which crime led to the conviction of Richard Speck?