Largest Group Ever Caught Tunneling UNDER BORDER WALL
Migrants can be seen marching toward Border Patrol agents by the hundreds, according to video obtained by ABC News. Smugglers dug a series of seven holes, only a few feet long beneath the steel border fence, with hundreds going beneath the wall and a smaller number clambering over it, according to CBP.
The fresh sand and scuff marks of shoes on the rusty steel were still there when ABC News visited the site on Thursday.
The agency says 179 of the record 376 people who crossed were children, including over 30 unaccompanied minors -- children under 18 traveling on their own.
The overall number of unauthorized crossings has plummeted since its peak in 2001, when CBP logged about 1.6 million apprehensions, according to government statistics. However, the demography of those crossing has changed dramatically.
Parents with children make up more than 80 percent of the total illegal border crossings.