More evidence has surfaced to indicate the Jalisco New Generation Cartel (CJNG) is using drones armed with C4 explosives to attack its enemies.

A citizens' militia group in Tepalcatepec, Michoacán, reports finding two drones inside an armored car that cartel hitmen had abandoned after an attempted raid on the city, which borders Jalisco, on July 25.

The C4 was packed with ball bearings to serve as shrapnel in Tupperware-like containers that were equipped with a remote detonation system and duct-taped to the drones, militia members explained. The drones were found in a cardboard box that was soaked in blood, indicating to the militia members that whoever was intending to fly the drones was injured before they could be launched.

Read more: Business Insider