Riverdale recurring star Ryan Granham He has been sentenced to life in prison, after admitting that he murdered his mother.

The 24-year-old actor appeared in the fourth and fifth seasons of Riverdale as Jeffrey Augustine, a character created for the television adaptation of the Archie Comics classic. Grantham was sentenced in British Columbia six months after pleading guilty to shooting his mother in the back of the head.

The actor had recorded his own confession directly after the murder, with a phone video showing him admitting that he had “shot her in the back of the head”, and in the moments after “she would have known it was me”. Grantham is believed to have shot her mother while she was playing the piano, before she loaded up a car full of Molotov cocktails, pistols, ammunition and directions to the home of Canadian Prime Minister Justin Trudeau the next day.

TMZ reports that the actor will not be able to appeal parole during his first 14 years in prison. Grantham had previously appeared in the first live-action diary of a wimpy kid movie in 2010, before several smaller appearances on shows like falling skies, izombie, Supernaturaland miniseries Unspeakable.

Grantham appeared in just two episodes of Riverdale, with his second appearance made up entirely of stock footage from the previous season. It is currently unknown if the two episodes will remain available to stream on Netflix.

Riverdale’s The seventh and final season is scheduled to air in 2023.