 It is later revealed that Craig had intended for the staff to be killed no matter what the robbery's outcome was, and that it was he who tipped off the police.After two more robberies—which Craig investigates alongside Cross—he murders the crew with more poisoned food, this time having sex with Mrs. Green's corpse.Craig hires five corrupt NYPD narcotics detectives to take part in his next crime, in which they commandeer a Washington tour bus carrying the wives of several insurance executives and demand a ransom of $5 million in uncut diamonds; the transfer is a success and the hostages are released.