Various theories circulate in the wake of the El Paso, Texas airspace closure. Federal government handling widely criticized.

Confusion reigned when the Pentagon allowed the use of a laser, reportedly to take down party balloons mistaken for drones.

Flights were grounded overnight for "security reasons," but conflicting accounts have left travelers wondering what really triggered the shutdown.

Amazon launched drone delivery service in North Texas in early December, shortly after Prime Air delivery was unveiled in San Antonio.

The airspace closure over El Paso, Texas, was initially supposed to last 10 days. It turned out to be just a few hours. But it was sudden and surprising, and it stemmed from the Pentagon's plans to test a laser for use in shooting down drones used by Mexican drug cartels.

No injuries were reported after an Amazon Prime Air delivery drone made contact with a Texas apartment building before breaking apart and crashing to the ground.

The temporary closure of airspace over El Paso, Texas has caused unease south of the U.S. border and put the spotlight on the use of drones by Mexican cartels.

President Sheinbaum pushed back Wednesday on U.S. claims that Mexican cartel drones breached Texas airspace, saying authorities have no information about drones at the border.