Thiarles Dasilva, 31, of Las Vegas, was arrested Tuesday and is charged with Homicide by Vehicle and Accident by Death in the August 22 crash.
Police say 43-year-old James Doughty and his girlfriend were riding their bicycles southbound in the northbound lanes on Bustleton Avenue when he was hit.
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The impact caused him to be ejected from his bike. Police say the bike was split in half.
Doughty succumbed to his injuries on September 17.
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