FBI investigates high altitude drone operation over Tuscon, AZ in February 2021

[iReviewFrozenDinners]

Just saw this story posted by one of the users on /r/drones.

FBI investigation underway in Tucson after drone flies dangerously close to CBP helicopter

TPD and several other law enforcement agencies were dispatched to the scene. However, the individual(s) who reportedly operated the drone was not located or identified.

kvoa.com

High Altitude Drone Encounter Prompts FBI Investigation

The FBI has joined the hunt for the operator of some kind of high-performance drone that flew “dangerously close” to a Customs and Border Protection helicopter over southern Arizona last...

www.avweb.com

 

[Philztoy]

I just want to know what batteries he was using to do all that and keep it aloft for over an hour.
They reported its "diameter" 4-6 ft and allude to it being a quad or hexicopter drone. This article seems to have a little more detail :
Border Patrol Helicopter Had Bizarre Encounter With Mysterious "Highly Modified" Drone (Updated)

 

[Vic Moss]

This was not a standard RFT OTS drone. Someone was doing some testing and forgot (or didn't want) to inform ATC. Our drones don't have the range, altitude ability, or battery life.