Posted in Uncategorized Who Is Ryan Grantham? Actor Allegedly Plotted to Kill Justin Trudeau 5 Former Riverdale actor Ryan Grantham pleaded guilty to second-degree murder in March for the killing of his mother, Barbara Waite. Grantham, 24, began his sentencing hearing on Monday, June 13,… https://www.usmagazine.com/celebrity-news/pictures/who-is-ryan-grantham-actor-allegedly-plotted-to-kill-justin-trudeau/