Ethan John Rioux-Poulios Credit: CBS 13

FARMINGTON, Maine — Police in Maine say a deputy tried to stop a man for speeding before he caused a fatal accident.

Oxford County Police say 23-year-old Ethan John Rioux-Poulios, of Woodstock, is responsible for the crash that killed 70-year-old John Pikiell, of Norway, on Route 26 Monday.

The Portland Press Herald reports a deputy tried to stop Rioux-Poulios, who was going 87 mph in a 55-mph zone, but lost sight of the vehicle.

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Authorities say another person flagged him down and told him about the accident. Pikiell’s vehicle was hit from behind and forced off the road.

Rioux-Poulios has been charged with manslaughter and leaving the scene of an accident. Oxford County Jail officials said they don’t yet know who’s representing Rioux-Poulios.

His father’s been charged with hindering apprehension by lying to police.