pat mclaughlin decided to light more lights after four homes were hit last night, including one of his street. >> at my wife's urnging i changed the timer seths on the gate lights so that we have the entire night covered. >> reporter: faiax county police say increasing home security is a good idea, given the fact that the burglaries seem to be crimes of opportunity committed in the overnight hours. the suspect is most likely driving around. he sees an open garage door or finds an uncked sliding door and inin secon is in and out with a purse or wallet that was left in plain sight on the kitchen counter. >> please, lock the doors and windows of your homes. include your garage doors. make sure you have your doors and windows locked before you go to bed. >> reporter: a map created by investigators shows the tally of crimes committed by the same crime suspect is mindoggling. >> we've put a number of resources to this investigation, and i would not want to divulge what those resources are, obviously to help us with r efforts to apprehend the suspect. bu we want to assure residents that we ar