Janesville police are investigating a series of armed robberies Thursday morning, Police say the first happened a little before 5:30 a.m. with three to follow in less than an hour. Officers say a man with a white facemask and a silver handgun robbed the Quick Trip on Memorial Drive, Lions Quick Mart on Milton Avenue, the Exxon station on Milton Avenue, and then the Walgreens at Milton and Blackbridge Drive. Police say they already have a suspect in custody, and are investigating if he was involved in any other recent robberies.
