MCALLEN, Texas (AP) — Border Patrol officials say a 54-year-old Mexican man apparently hanged himself at a Border Patrol station in South Texas.

A statement issued said agents found the man unresponsive at the McAllen station shortly before noon Friday.

Officials said agents immediately began administering cardiopulmonary resuscitation and contacted emergency medical services for further assistance. The man was taken to a local hospital where he later died.

The FBI said an investigative review was being coordinated with Border Patrol internal affairs and the U.S. Customs and Border Protection inspector general.

The Border Patrol’s McAllen station was overwhelmed this summer by a surge in unaccompanied child immigrants and families, mostly from Central America. However, their numbers have dropped dramatically in the past two months and overcrowding was no longer a problem.