This feels very similar to the Metcalf attack. https://en.wikipedia.org/wiki/Metcalf_sniper_attack https://en.wikipedia.org/wiki/Metcalf_sniper_attack If I wer

This feels very similar to the Metcalf attack. https://en.wikipedia.org/wiki/Metcalf_sniper_attack https://en.wikipedia.org/wiki/Metcalf_sniper_attack If I were to speculate, this feels like it could be a test of response before further action. If they wanted to kill people at AT&T, the HQ is only a few blocks away. This seems very... crafted for an attack.