NEW : All security measures were taken care of as needed , '' Al Hamour said . Coach says swimmer was in great pain . Doctors believe that severe cold was a factor . Fran Crippen , 26 , dies during last leg of 10-kilometer open - water race . He fell unconscious and was found two hours later , a magazine magazine .
NEW : Coach says swimmer was in great pain . Doctors believe that severe cold was a factor . Fran Crippen , 26 , dies during last leg of 10-kilometer open - water race . He fell unconscious and was found two hours later , a magazine magazine .