OAK PARK, Ill. (WLS) -- Police are searching for four teenagers who stole a delivery driver's car at gunpoint in the 1000-block of Highland Avenue in Oak Park Friday night.Home surveillance video from several houses down captured the alleged carjacking of a Lou Malnati's pizza delivery driver. Investigators say four teens, two armed with handguns, approached the car one by one. Seconds later the teens drive off, leaving the delivery driver behind."Frankly, it scares me because I look at Oak Park as a safe neighborhood," said Richard Kersten, after seeing the surveillance footage.Lou Malnati's issued a statement, saying, "The safety of our employees and customers is our highest priority. We are looking in to an incident that occurred last night involved one of our employees. The employee was unharmed in the incident.""It's cowardly," said Max Kersten, an Oak Park resident. "It is unfortunate that someone is trying to make a living, doing their own business and then just something like that.""If these guys are desperate, there is many other ways to move and get around in life," said Richard.