WestConn is warning students of possible catalytic converter thefts happening on campus. Police agencies report that thieves are stealing the emissions control devices during daylight hours throughout the region.  WestConn Police are investigating three possible cases over the past few days.  Any theft or suspicious activity should be reported immediately to university police at (203) 837-9300.  Students are being reminded that if they see suspected illegal activity, not to confront the thief but to take note of identifying characteristics.  Officers will be patrolling university parking areas.