AURORA, COLO. --

The Sex Crimes Unit of the Aurora Police Department asks the public's help to find a man wanted for sexually assaulting a woman last Sunday evening. He has ties to the Colorado Springs area, according to police.

On April 4, an adult female was sexually assaulted inside a residence near the intersection of 6th Avenue and Dawson Street. During the course of ensuing investigation, detectives determined the woman, who is known to the suspect, had been threatened with a knife during the assault. After the attack, the suspect fled and has yet to be captured.

The suspect has been identified by detectives as 56-year-old Kirk Alan Richardson of Aurora. He has ties to the Denver Metro area, the Colorado Springs area, California, Utah and Illinois.

An arrest warrant was obtained for Richardson. His bond has been set at $250,000.

Richardson is a registered sex offender in Aurora. He is described as a white male, 6 feet tall, 240 pounds, with gray eyes. He has tattoos of Jesus on left forearm and hearts on right forearm.

Richardson was previously convicted of sexual assault in California. He is considered armed and dangerous and may be in possession of a firearm. 

Anyone with information as to Richardson’s whereabouts is asked to contact the Aurora Police Department at (303) 627-3100.

You can remain anonymous and earn up to $2,000 by calling Crime Stoppers at 720-913-STOP (7867). You can also send an anonymous text message to Crime Stoppers at 274637 (CRIMES), add title DMCS followed by your information.