A 29-year-old Janesville man is facing a charge of Delivery of Heroin. Janesville police say the Street Crimes Unit executed a search warrant about 7:30 p.m. Monday at 513 Cherry Street and arrested John Tek. The say they found 10 small bags of heroin packaged for distribution, along with multiple items of drug paraphernalia. Other charges include Possession with the Intent to Deliver, and Maintaining a Drug Trafficking Place. Tek is in the Rock County Jail awaiting his initial court appearance.