Published: Jul 15, 2013 10:18 AM EDT
Updated: Jul 15, 2013 12:45 PM EDT

CAPE CORAL, Fla.- Cape Coral Police are investigating a deadly accident involving an impaired driver.

Police said William Siddons rear-ended Julio Triguero around 9:30 p.m. Sunday on Del Prado Blvd. Triguero was thrown back off his moped, causing him to hit Siddons' car, before falling to the ground.

Police believe Triguero was not wearing a helmet. He later died at the hospital.