Michael Henry Riley
Michael Henry Riley (Boulder County Sheriff's Office)

Boulder police are searching for a man who is on trial in Boulder District Court for sexual assault on a child and who did not check in with court officials this morning.

An arrest warrant for Michael Henry Riley, 66, was issued for failure to comply with bond conditions. He has not been seen or heard from since 7:30 a.m. today, according to officials. Riley's trial started Monday, and the jury is in deliberations, the Boulder County District Attorney's Office said.

Riley is described as a white man with blue eyes and gray hair. He is 6'1" and weighs 195 pounds. He drives a 2011 white Nissan Rogue with Arkansas license plates.

Anyone with information is asked to call 911.

Those who wish to remain anonymous can contact Crime Stoppers at 800-222-TIPS or www.crimeshurt.com.

Contact Camera Staff Writer Mitchell Byars at 303-473-1329, byarsm@dailycamera.com or twitter.com/mitchellbyars.