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.

As he begins his new job as squad commander, Sipowicz disobeys orders and keeps a murder investigation open... even though a Japanese man with diplomatic immunity has confessed to the crime.