LIBERTYVILLE, Ill. -- The Libertyville Police Department on Wednesday released a composite sketch of an individual they say sexually assaulted a woman earlier this month.

A female jogger said she was approached from behind and pulled to the ground while running in the area of Greentree Parkway and Dawes Street at about 3:45 p.m. on June 11. The man then ran away. A witness reported seeing the man running from the area.

Police said they are looking for the man, who is white and in his mid-20s. He was described as being between 5 feet 9 inches to 6 feet tall and weighing between 160 and 170 pounds. He has high cheekbones and brown hair, and was last seen wearing blue jeans and an olive-green T-shirt, police said.

Anyone having or needing information is asked to contact the Libertyville Police Department at 847-362-8310. The case number is 2008-07104.