Bobby Nish

The murder an Oakland gang member forces Cho to confront his murky past when he discovers that the victim was an old friend who is willing to go to extreme lengths to exact revenge.

The body of a deep-sea diver is found murdered with stab wounds while underwater. On land, a male stripper is found dead after a night of partying.

The team searches for Jack's friend Max Cassidy, a longtime FBI agent who disappears after leaving an emotional message on his wife's answering machine about the murder of his partner, Jimmy Haggerty. The squad investigates whether the industrial espionage case that Max and Jimmy were working on is connected to Jimmy's murder and if Max is now a victim of Jimmy's killer.