Roll over- back to sleep. The blast came from within the building, and blew out the sidewalk elevator doors from below.
No RV even with mil-spec explosives could have blown out breather exhaust chimneys 20 stories up... blown OUTWARDS from inside, and all the way from the basement. People who only see the media reports are not in any way in knowledge of these simple documented facts— because they are not intended to be. Keep in mind AT&T owns.... CNN.
Guy hired for money gets blown up by his hiring group— very common in foreign ops, as it has been in even US mob bombings and killings-— covering acts.
More info has come out. He was a technology nut who thought AT&T was using 5G to spy on him - typical paranoid schizophrenic.
As a technology guy with lots of money, he could make as powerful a bomb as he wanted with a little research.