Officers responded to reports of a motorcycle collision at Campbell and Roger Sunday night around 9:21 p.m.
Upon arrival, a man was located on the ground with life-threatening injuries.
The motorcyclist passed away at the hospital Monday morning. He has been identified as 26-year-old Jeremy Bowley.
Detectives learned that Bowley was hit as he was turning left by a vehicle that failed to stop for a red light.
Police say Bowley was wearing a helmet.
This investigation is ongoing.
— Tucson Police Dept (@Tucson_Police) May 1, 2018