New York State Police are looking into the credibility of a trooper's claim he was shot last week on Long Island.CBS News New York's Carolyn Gusoff reports there is a large police presence on the trooper's block Monday,

New York State Police have launched an investigation into a trooper who said he was shot and wounded while trying to help a motorist on a Long Island highway.

New York State Police are investigating a state trooper who triggered a manhunt when he said a gunman shot him in the leg and fled near Malverne last week.