Mexico's National Human Rights Commission
These kidnappers released their victims for ransoms ranging from $1000 to $5000, the Huffington Post said.
The victims are forced to call their relatives in the United States for ransom money.
"They beat me and kept beating me until I handed over my telephone numbers," a Salvadoran immigrant told the New York Times. The Salvadorian man was held captive with many others until 37 days after he was kidnapped, the Mexican Army raided the house, the New York Times said.