More than 70 flights transporting migrants from the southern border to Jacksonville have landed in the dark of night in recent months as the Biden administration struggles to empty overflowing border facilities, the office of Florida Gov. Ron DeSantis said. It is the first time the state of Florida has disclosed the number of confirmed flights arriving in the state since the summer. The governor's office has scrambled in recent weeks to uncover who is facilitating the mystery flights landing in northern Florida daily, but the Biden administration has refused to disclose any information, one official said.