<P> Eventually, it's revealed that the deputy Cam is the Executioner, suffering under an abusive mother whom he pushed down the stairs, killing her . Cam's father, the town priest, discovered that Cam was the Executioner, and Cam killed him as well . After finding her father's body parts in his home, Sarah kills Cam with a machete . </P> <P> Slasher's 8 - episode second season centers around a horrific secret that a group of former summer camp counselors have buried long ago . Due to a changing circumstance, they must return to their resort in the dead of winter to retrieve the body of Talvinder, whom they murdered while they were camp counsellors, five years earlier . They get surprised when they can't find the body at the campsite . Later, the group start dying one by one at the hands of a mysterious person wearing a parka, which also alerts the second group of counselors at the resort . </P> <P> Eventually, it's revealed that Judith is the killer, and another character, Wren, is actually Owen "Wren" Turnbull, her son who committed suicide after being framed for Talvinder's murder, and is a figment of Judith's imagination . Owen wrote a letter to his mother, asking her to get justice for him before hanging himself . Judith killed several members of the commune for their complicity after the fact, as Antoine discovered Talvinder's body and hid it to avoid jeopardizing a real estate deal . Dawn and Keira are the only ones to escape her wrath and the former finally turns herself in for her crime during the epilogue . Judith can be seen watching them along with the hallucination of Owen, who says they'll be waiting for Dawn after she is released from prison . </P> <Ul> <Li> Katie McGrath as Sarah Bennett, an art gallery owner who recently moved to Waterbury, her place of birth . </Li> <Li> Brandon Jay McLaren as Dylan Bennett, Sarah's husband and editor - in - chief of the local newspaper, the Waterbury Bulletin . </Li> <Li> Steve Byers as Cam Henry, a member of Waterbury's police force . </Li> <Li> Patrick Garrow as Tom Winston, the original Executioner who murdered Sarah's parents in 1988 and who advises Sarah on the new Executioner's murders in the present day . </Li> <Li> Dean McDermott as Iain Vaughn, Waterbury's police chief . </Li> <Li> Christopher Jacot as Robin Turner, who, after the death of his husband, Justin, must deal with the business mess he left behind . </Li> <Li> Wendy Crewson as Brenda Merrit, Sarah's maternal grandmother, who returns to Waterbury to look after Sarah and Dylan . </Li> </Ul>

Who is the serial killer in slasher season 2