NORTH PORT POLICE SAY THEY FOUND A MAN BLEEDING WITH SEVERE HEAD TRAUMA THURSDAY NIGHT.  POLICE SAY THEY WERE CALLED TO THE 3700 BLOCK OF LILLABY ROAD WHERE THEY FOUND THE 19 YEAR OLD MAN.  HE WAS BAYFLITED TO BAYFRONT MEDICAL CENTER IN ST. PETERSBURG IN CRITICAL CONDITION.  THE CRIMINAL INVESTIGATION UNIT IS INVESTIGATING WHAT HAPPENED AND HAS NOT RELEASED ANY FURTHER DETAILS.  ANYONE WITH INFORMATION IS URGED TO CONTACT DETECTIVE MICHAEL LADEN OR DETECTIVE JASON RICHTER AT 429-7300.