But Trump chose Kevin McAleenan, the head of Customs and Border Protection, as acting secretary. Just over 53,000 of the people apprehended were parents and children traveling together, which the Border Patrol refers to as "family units." That breaks a record set in February, when the agency apprehended 36,000 parents and children. Another 8,975 were children traveling alone. The large numbers of families have forced many line agents into humanitarian roles and have strained detention facilities built when the Border Patrol primarily apprehended single adult men.

Source: Fox News April 10, 2019 00:33 UTC