Published: Oct 31, 2013 6:59 PM EDT

CAPE CORAL, Fla.- Cape Coral Police arrested 26-year-old William Siddons around 4:30 p.m. Siddons turned himself into the Cape Coral Police Department in reference to a fatal traffic crash that occurred on July 14 of this year.

Siddons was the driver of a blue 2006 Volvo that rear-ended an orange Taoi motorcycle at a high rate of speed in the intersection of SE 12th Terrace and Del Prado Boulevard back on July 14, at around 9:27 p.m. The driver of the motorcycle, Julio Triguero, died as a result of his injuries at Lee Memorial Hospital. He was not wearing a helmet.

Siddons was charged with DUI Manslaughter, Vehicular Homicide, and DUI.

Blood results showed that Siddons had a blood alcohol concentration of 0.116 and 0.115 at the time of the traffic crash. Siddons was also estimated to have been traveling in excess of 100 mph on Del Prado Boulevard.