Details released to the media have been minimal so far: a Border Patrol unit that was dispatched to check an alarm triggered by a ground sensor east of Bisbee, Arizona, came under fire shortly after 1:30 a.m. in what appears to have been a hasty ambush. Three agents were part of the patrol. One agent, Nicholas Ivie, a married father of two, was killed at the scene [1]: Capas said the agents reported over the radio that they had come under fire as they were following a trail into the area. Earlier reports from authorities stated erroneously that they were...