A previous death toll on Tuesday reported 51 dead, 39 men and twelve women.

Federal police on Tuesday arrested two men at an address linked to the truck’s license plate, according to court documents.

The two suspects, Mexican nationals whose tourist visas had expired, are being prosecuted for carrying a prohibited weapon.

She also arrested a 45-year-old man at the scene, “hidden in the thickets after trying to flee,” the prosecutor said.

He was “under the influence of methamphetamine” according to the San Antonio Express-News, citing police sources.