In a statement released Monday, the group, based in Union, Mo., condemned local officials in Chihuahua, the company that operated the truck that plowed into a crowd of spectators and the driver.
The group cited "the glaring disregard for spectator safety exhibited by the event organizers of the Extremo Aeroshow 2013 in addition to the clear lack of precautionary safety equipment and safe method of operation exhibited by the vehicle and driver involved."
Demolition Show, which operated the truck involved in Saturday's crash, is not affiliated with the MTRA, El Universal reported.
The crash occurred after the driver hit his head while jumping the truck over a pile off cars. He apparently became unconscious.
Scores of people were injured, some of them critically.
Video taken by spectators showed the truck lost a tire while performing a similar stunt Friday but then was used again Saturday, El Universal said. Other videos showed the driver performing without a helmet at earlier shows.
The driver was arrested Saturday and is expected to face criminal charges.
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