Nobody seems to have an answer yet, you’re not out of the loop on this. This is the latest I’ve found, in terms of official statements. But frankly it seems like a pretty inadequate answer. The complete interview is full of language that makes it pretty clear they just really don’t know yet.

Mayorkas cited the 2023 change of a Federal Aviation Administration rule that allows drones to fly at night as to why there might be an uptick in sightings.