A cnn exclusive this morning, the White House is demanding that texas give u. S. Border patrol agents immediate access to the area along the southern border where three migrants a woman and two children drowned this weekend trying to cross the rio grande. The deaths come days after the state seized control at the shelby public park in eagle pass, fencing it off and blocking federal agents from the area. Congressman, they would not grant access to migrants, even in the event of an emergency and they would send a soldier to investigate instead. Our Rosa Flores is kocovering a of this and has reporting from eagle pass, texas, a complete tragedy. Three migrants, two of them children dead. What do we know about how the agents were barred from the area, and what action the biden administration is take something