From Riverdale, Gets Life in Prison for Killing His Mother.
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Ryan Grantham went to the Vancouver police later that night and confessed, "I murdered my mother."
Riverdale and Diary of a Wimpy Kid actor Ryan Grantham have been sentenced to life behind bars for the 2020 killing of his mother.
Most recently he played the character Jeffery in a 2019 episode of “Riverdale,” a dark reimagining of the Archie Comics franchise on CW.
Starting his career back in 2007, Grantham also appeared in the 2010 movie Diary of a Wimpy Kid
Ryan is a Canadian actor who portrayed Todd in the Season 4 episode "Wishful Thinking," and a young hunter in Season 11 episode "Out of the Darkness