Roswell Police are investgating a deadly Monday night crash involving a pedestrian. Police say a 68 year old man was attempting to cross the 2200 block of West Second Street when he was struck by a vehicle headed west. The man is believed to have been using a walker. The SUV was driven by a 23 year old woman, with a 4 year old girl as a passenger. The name of the victim has not yet been released, pengin notification of family members.