NORTH PHILADELPHIA (WPVI) -- A man was shot to death in North Philadelphia and police are looking into a phone call he received in the final moments of his life.The shooting occurred around 11:30 p.m. Saturday on the 3400 block of Crowell Street.Just before the gunfire, police say the 29-year-old man received a phone call then asked his grandmother to watch his kids while he went out to meet someone.The man was later found dead.It is still unclear at this time if the call is connected to his killing.Police say the victim recently served jail time for narcotics.