mr. magnotta have some connection to her. she's a woman who shocked everyone the sometime. one of the victims was her sister. she is now free. at one time he claimed and then another time denied having any connection with her. but also crucially, police are looking at cold cases. they have no indication there is any connection. but given all the different angles that we've covered now in this case. they're not ruling out that he's connected to other crimes. and i want to underscore that he has traveled extensively and that includes the united states. >> wow. seems like this is to definitely not over yet. paula, thank you so much. >>> i'm kate baldwin. if it's interesting and happening right now, you're about to see it. it's called "rapid fire." so here we go. a south carolina prison guard has been rescued after being held hostage for several hours at a maximum security prison. the guard was helping a nurse distribute medicine. the nurse got away but the guard was grabbed by prisoners and held until early this morning. he's been taken to hospital for treatment. and a massive