ONONDAGA COUNTY, N.Y. -- The Onondaga County Sheriff's office is asking people living in Casual Estates in Liverpool to be on the lookout. Police have received several complaints over the past few weeks about suspicious activity outside their homes.

An unidentified man was seen lurking outside windows or running through yards. Several police and K-9 units, along with the Sheriff’s Air One helicopter, have responded to the incidents and despite extensive searches, all ended with negative results.

Neighbors are encouraged to report any suspicious activity by dialing 911.

Anyone with more information on the investigation is asked to call the sheriff's office at (315) 435-3081.