Maureen Muldoon

After the Halliwell sisters witness the kidnapping of Piper's friend son, they discover it's the work of the Grimlocks, demons who take the sight away from young boys. Phoebe tracks one surviving boy down who escaped 20 years ago while Prue is besieged by an over aggressive tabloid journalist who witnessed her powers in use and tips off Trudeau about her.

The team is investigating the ongoing murders by a signature killer. The killer has some knowledge of forensics and has left little evidence behind.

Two couples meet in a bar and one of the couples is murdered. When a second couple is murdered in a similar fashion the team suspects a pair of serial killers are on the loose.

A suspect's infatuation with Catherine results in her taking over a high profile case.

After a drug dealer is shot and killed in his own apartment, the only witness to the murder is the dealer's autistic teenage daughter, Leeza Wilson (guest star Holliston Coleman). While the detectives struggle to obtain any helpful evidence from Leeza, Jack uses his unconventional methods to uncover new clues from Leeza's statements. However, when the detectives bring forth a subpoena to move Leeza out of Wharton Memorial, Jack is forced to race against time to solve the murder mystery. Meanwhile, Arturo deals with a visit from his eccentric, know-it-all father (guest star Steven Bauer), who is convinced his experiences playing a doctor on a soap opera will help him solve a real medical case.