The weekend operation took place in Diaz Ordaz, a small town near Ciudad Victoria, capital of the drug- and violence-plagued state of Tamaulipas, on Mexico's gulf coast on the border with Texas.
the news organization reported.
One member of the crime organization, which was not named in the report, and two alleged accomplices were detained.
Also netted in the operation were three rifles, seven grenades, a grenade launcher, ammunition and 14 vehicles.
The nationalities of the immigrants were not revealed but Mexico is a geographically unavoidable crossing point for some 140,000 US-bound Central American immigrants every year, according to the newspaper
La Jornada, which also reported on the operation.
Tamaulipas has become notorious for deadly violence against immigrants.
In 2010, 72 migrants were kidnapped by organized crime operatives and massacred on a ranch in the State. In 2011, the bodies of 200 peopls - a number of them immigrants from Central and South America were found in a cluster of mass graves in the same region,
according to NPR.