The teen, who can only be referred to as S.K. because he was 15 years old at the time of the death, was behind the wheel on June 28, 2011 — the night York Regional Police officer Styles was killed.
Styles pulled over a minivan full of teenagers who were out joyriding. The driver, S.K., then fled, dragging Styles for a distance before the van rolled and killed the 32-year-old officer. The teen himself was paralyzed in the incident.
The 12-member jury took three days to come up with the verdict, during which time it twice asked the judge for help.
At one point, the jury asked if it could split into two groups to advance its discussions, but Judge Alex Sosna denied it.
Sosna, while instructing the jury members, said they should only worry about determining guilt and he would hand down the sentence.
The case was emotional for the families of both Styles and the teenager, with S.K. testifying earlier in the trial that he wakes up every morning thinking about the incident.
The Styles family has been present every day at the Newmarket, Ont., court, but has declined to speak with reporters.
"Never in a million years did I want what happened that night to have happened," S.K. told the court earlier.
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