NEW : The gunman apologized as he lay dying , a medic and witness says . Police : Thomas Caffall was the gunman who killed two and injured four . He had been shot in the head by police after they said he pointed his gun at them during an attempted arrest on Friday night. Less is known about Caffall . Among the victims was Brian Bachmann , a highly regarded law enforcement officer .
NEW : The gunman apologized as he lay dying , a medic and witness says . Police : Thomas Caffall was the gunman who killed two and injured four . He had been shot in the head by police after they said he pointed his gun at them during an attempted arrest on Friday night. Among the victims was Brian Bachmann , a highly regarded law enforcement officer .