2,943 held beyond the 72 hour limit placed on border patrol. homeland security says the u.s. could soon reach the highest number of people apprehended at the border and more than 20 years. immigration lawyers say migrants are sending their children over the border alone illegally so they won t be sent back. democrats are blaming former president trump for the overwhelming surge of the border. he and his successor, president joe biden, are speaking out tonight. did biden administration still refuses to call it happening a crisis. people are coming in by the hundreds of thousands, young children are coming in. they leave their homes and they come up because they think it s going to be so wonderful and frankly our country can handle it. it is a crisis like we ve rarely had. certainly we ve never had on the border. but it s going to get much worse. shannon: hello and welcome to fox news @ night. i m shannon bream in washington. white house correspondent kevin corke is track