Brian Moser is a fictional character and the main antagon

Brian Moser is a fictional character and the main antagonist of Season 1 of the Showtime series Dexter. Played by actor Christian Camargo, he first appears as a mysterious serial killer terrorizing Miami, leaving behind meticulously drained and dismembered bodies — a calling card that earns him the nickname "The Ice Truck Killer" from the press and police.