Question: The murders of which police officers led to Dale Cregan being sentenced to life in prison?
Sentence (from "Dale Cregan"): Dale Christopher Cregan (born 6 June 1983) is an English convicted drug-dealer and murderer who was sentenced to a whole life order in prison for four counts of murder (including the killing of two police officers) and three separate counts of attempted murder, meaning that he will never be released from prison.
Relevant evidence: Yes