Border Patrol station in McAllen, Texas, in May 2019. Provided by source to CNN. CNN exclusive

Border Patrol station in McAllen, Texas, in May 2019. Provided by source to CNN. CNN exclusive

Border Patrol station in McAllen, Texas, in May 2019. Provided by source to CNN. CNN exclusive

Border Patrol station in McAllen, Texas, in May 2019. Provided by source to CNN. CNN exclusive

Border Patrol station in McAllen, Texas, in May 2019. Provided by source to CNN. CNN exclusive

Border Patrol station in McAllen, Texas, in May 2019. Provided by source to CNN. CNN exclusive