(CBS) — A warning to Gurnee residents who commonly use a walking path, popular for dog owners.

WBBM’s Michele Fiore reports.

Just outside the Wood Lake apartments, south of Route 21 and Washington Street, there is a wooded path. Gurnee police say someone on that path committed a criminal sexual assault last weekend.

It happened Saturday between 8 p.m. and 9 p.m. Police are getting a sketch together of the suspect.

You can call in a tip anonymously to the Lake County Crime Stoppers.