What nickname did the media give to the serial killer dumping bodies in the bay in season 2?

The media called the serial killer dumping bodies in the bay the Bay Harbor Butcher. The nickname arose after divers discovered bags containing dismembered human remains in an underwater dumping ground near Miami.

The case becomes the central investigation of Dexter's second season. The victims are not random: they are people Dexter selected because he believed they had committed serious crimes and escaped proper punishment. That pattern creates public fascination, since some people view the killer as a vigilante rather than a conventional murderer.

The investigation draws the FBI to Miami, with Special Agent Frank Lundy leading the task force. Sergeant James Doakes becomes increasingly suspicious of Dexter and eventually discovers evidence connecting him to the killings. Dexter manipulates the investigation so that Doakes is officially blamed for the murders.

The other options refer to different figures or concepts in the franchise. The Dark Passenger describes Dexter's inner homicidal drive, the Ice Truck Killer is associated with season 1, and the Trinity Killer is the season 4 antagonist Arthur Mitchell.