Susan is miffed when Mike's sexy houseguest (Heather Stephens) forces him to postpone their first official date; Lynette grows more dependent on the twins' medication; Gabrielle becomes jealous of the other woman in John's life.
When two guards at a maximum security prison are murdered, the BAU suspects that more than one UnSub within the prison could be at work.
After foiling an apparent hit on Ava, Raylan finds out that she may not have been the killer's actual target.
Set in the gritty, neon-splashed streets of Las Vegas, CSI tracks the action with an elite team of forensic investigators. With its groundbreaking mix of science and police procedural, CSI reinvented the TV crime genre.
David, Nate and Brenda attend a funeral directors' conference in Las Vegas; Ruth takes a floral arrangement class.