User blog comment:NotCrazyZora/Bloody Mary's status/@comment-6045649-20140709173114/@comment-6045649-20140709201833

But why would Mary throw him to the wolves anyway? He is her employer and without him she has no protection anymore. Running away would only get her in more trouble. Also, the CM always seemed hesitant to kill people anyway. He likely didn't want to kill Bigby to keep his name clean of murder.