Mexican Attorney General spokeswoman Rocio Torres denied her country's involvement with the drone Friday, but later in the day, another Mexican official said the drone was being operated by the Ministry of Public Security and was following a target at the time of the mechanical malfunction.

CNN: Drone crash in El Paso under investigation

This time, there was no malfunction, but the contraption did nothing to help the drama.

FORBES: Die Walk��re Returns To The Met, Machine Disappoints Again

The official said a worldwide moratorium after such an accident is not unusual and would persist until the investigation determines that the weapon did not malfunction in ways that would hurt other Marines or that mortars manufactured at the same time as the one involved in the accident were safe.

NPR: Mortar Explosion In Nev. Kills 7 NC Unit Marines