That was a AT&T building…they were after one of the connection points from the NSA to the internet as discussed by Bill Brinney on NSA connection lines at AT&T buildings.
https://twitter.com/Bill_Binney/status/1313288608124678145
(20) cont'd from (19): If you go to the cities identified and look for AT&T buildings that have large cooling units on roofs plus have a railroad running close by, then these are the tap points collecting our data for NSA. I found almost all of them by using Google searches.
https://twitter.com/Bill_Binney/status/1313286931116167169
Remember!!
hint: Air America
Believe nothing you hear, and only one half that you see.
Edgar Allan Poe
You can fool some of the people all of the time, and all of the people some of the time, but you can not fool all of the people all of the time.
Abraham Lincoln
"There's a sucker born every minute"
P. T. Barnum