Police are investigating a home invasion robbery on the east side that began when a woman went outside to warm up her car Thursday morning. The victim told police a man was waiting for her in the running vehicle when she returned from her home at 38th Street and Post Road. She said the man then forced her back into the house, restrained her and her husband with duct tape and took their bank cards. Police say the suspect made off in the couple’s 1998 Chevy Malibu, then went to an ATM with withdrew money from their accounts. The couple was not hurt during the incident. Investigators believe the suspect had an accomplice.