Slaid aid worker's parents to speak publicly
05:02The parents of Abdul-Rahman Kassig, a U.S. aid worker killed by ISIS, will hold a news conference Monday to discuss his life. NBC News' Richard Engel joins Morning Joe.
The parents of Abdul-Rahman Kassig, a U.S. aid worker killed by ISIS, will hold a news conference Monday to discuss his life. NBC News' Richard Engel joins Morning Joe.