Ryan Grantham has now admitted to murdering his mother almost two years later, and he is due back in court on June 13 for sentence.

Grantham was arrested and pled guilty to second-degree murder in the death of his mother in Squamish in March 2020.

Some startling revelations in the case of a B.C. actor who admitted to murdering his mother. Court heard 24-year-old Ryan Grantham also had a plan to kill the prime minister. Dan Burritt has more pic.twitter.com/PnJuMQnYmO

— CBC British Columbia (@cbcnewsbc) June 14, 2022

Waite was killed by a single gunshot wound to the head, according to an autopsy.

The testimony was heard by B.C. Supreme Court Justice Kathleen Ker as Ryan Grantham's sentence submissions began on June 13.

Grantham was also said to have considered mass killings, including one at Simon Fraser University in Burnaby, according to Ker. Grantham sat in his car with a shotgun at SFU on March 5, 2020.

Before he is eligible for release, the Crown wants him to serve 17 to 19 years in prison.

During the hearing, Grantham sat silently in the prisoner's box, his lawyer occasionally showing him visual evidence that he scarcely looked at.

He was bowed, his head in his hands, while videos from before and after the crime were shown. As his video narration was heard, he was not looking at the various courtroom displays.

Ryan Grantham, a former child star in British Columbia, has pleaded guilty to second-degree murder in the death of his mother.

Barbara Waite, the mother of Ryan Grantham, a 23-year-old former actor, was fatally shot in her Squamish home on April 1, 2020.

A welfare check was conducted by police at the home on Government Road. Grantham is scheduled to be sentenced in June 2022.

Second-degree murder carries a mandatory life sentence without the possibility of release for ten years.

Waite's body was discovered by her daughter on April 1st evening. After her mother's phone calls and emails went unanswered, Lisa Grantham went home.

Lisa Grantham said the murder had ruined her life and career in her victim impact statement. She stated that she had no doubt that her brother was a dangerous person.

A British Columbia actor Ryan who pleaded guilty to the murder of his mother in the second degree planned to travel to Ottawa and kill Prime Minister Justin Trudeau.

Ryan Grantham abandoned a plan to kill Prime Minister Justin Trudeau the day after he shot and killed his mother in their Squamish home. https://t.co/rpceb849WR

— CBC British Columbia (@cbcnewsbc) June 14, 2022

In both his police report and excerpts from his private diary read in court, Ryan Grantham stated that he wanted to kill Justin Trudeau.

Ryan Grantham had printed a Google map with directions to Justin Trudeau's Ottawa home, Rideau Cottage.

The discovery came on the first day of Ryan Grantham's sentencing in British Columbia Supreme Court, where he pleaded guilty on March 9.

Ryan Grantham is a child actor who has been featured in films and television since he was nine years old. Grantham was born in Canada in 1998.

He is an actor who has appeared in films such as Liz (2011), The Imaginarium of Doctor Parnassus (2009), and Diary of a Wimpy Kid (2010).

At the age of 11, he was cast in The Imaginarium of Doctor Parnassus, a 2009 film directed by Terry Gilliam, a member of Monty Python's Flying Circus.

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