ROOSEVELT - Police are looking for the men behind a gunpoint robbery in Roosevelt.Police say the 41-year-old victim was dropping a friend off on David Street yesterday afternoon when a third man got in the car and pointed a gun at the victim's head. Investigators say the victim was forced to drive to an ATM and withdraw cash. Then, they say the suspects stole his car.Police urge anyone with information to call Nassau County Crime Stoppers at 1-800-244-TIPS.