All that separated Officer John Abbott from the deadliest attack on police since September 11, 2001, was a set of glass doors.
원문출처 : http://www.cnn.com/2016/07/15/health/dallas-shootout-police-perspective/index.html
원문출처 : http://www.cnn.com/2016/07/15/health/dallas-shootout-police-perspective/index.html