Aug. 12 (UPI) -- The U.S. Justice Department has transferred 14 Mexican nationals serving prison sentences in the United States on drug-related charges to their native country, according to both governments.

The transfer occurred Friday but was made public Monday by the Justice Department, which said in a statement that it was pursuant to a prisoner transfer treaty between the two countries.

The Justice Department said the unidentified inmates had requested the transfer, and both the United States and Mexico agreed. Under the treaty, the inmates will complete their sentences in Mexican detention facilities.

"These people were transferred to a prison in national territory with the aim of obtaining their social reintegration with greater proximity to their families," Mexico's Attorney General's Office said in a statement.

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