El Centro College police Chief Joseph Hannigan stands at the end of a hallway as he gives a guided tour of the damage caused by a blast that killed Micah Johnson, Tuesday, July 19, 2016, in Dallas. Hannigan is pointing to the spot near a network server room where Johnson was killed by the blast.
El Centro College police Chief Joseph Hannigan stands at the end of a hallway as he gives a guided tour of the damage caused by a blast that killed Micah Johnson, Tuesday, July 19, 2016, in Dallas. Hannigan is pointing to the spot near a network server room where Johnson was killed by the blast. Tony Gutierrez AP
El Centro College police Chief Joseph Hannigan stands at the end of a hallway as he gives a guided tour of the damage caused by a blast that killed Micah Johnson, Tuesday, July 19, 2016, in Dallas. Hannigan is pointing to the spot near a network server room where Johnson was killed by the blast. Tony Gutierrez AP

Dallas police officers did the right thing by killing Micah Johnson

July 22, 2016 05:22 AM