who is claiming responsibility, and who is denying any involvement. plus, the border battle. the president taking his toughest stance yet on immigration as the gop-led house pushes ahead with the push to oust his homeland security secretary. also ahead, writer e. jean carroll speaking out publicly about her $83 million victory over donald trump, the message she believes the jury sent to the former president. is the conviction of a notorious double killer about to be thrown out? what we know about the potential retrail in the case of disgraced lawyer alec murdaugh. thanks for being here on a monday. it is 10:00 eastern. i m ana cabrera reporting from new york. president biden is vowing to retaliate after three u.s. troops were killed in a deadly drone attack at a base in jordan. it happened near the border of syria and iraq in a base known as tower 22. two u.s. officials tell us a drone packed with explosives made impact near a shelter where some troops were sleeping.