The alleged criminals were carrying out security checks in the border state of Tamaulipas. Until now, the alleged criminals have not been identified.

The state recorded 29,675 homicides in 2023, a drop of 4.18% from the previous year, when there were more than 34,000 victims in each of the last two years of that year. The number of victims is expected to fall again in the coming years, according to a report by the U.S. State Department.