dr. david komen who had been informing him about his mother's condition. they initially thought it was warren davis. >> mr. davis removed a small semiautomatic handgun from his waist area, waistband area, and fired a single gunshot that struck the doctor in the lower chest/upper abdomen. >> reporter: cohen was rushed to surgery. he is expected to recover. a metal detector might have kent that out of the hospital but they pointed out there are more than 80 entrance s to the buildings on the campus. >> to put a mag nah tomter at 80 doors and the required armed force that would need to be staffing the mag nah tom terse is not realistic. >> reporter: still the hospital security first said the hospital will review its procedures used right now. dr. david cohen is out of the of the operating room and in stable condition. >> we're hearing from the shooter's family for the first time. his brother told the ap that he thinks par advertise was upset after their mother's surgery last week was unsuccessful and she probably would never have walked again. he described th