Rebels gave Malaysian officials the data recorders from downed Flight 17 Monday, days after the passenger jet crashed in eastern Ukraine.
This comes as the United States is building a stronger case against Russian President Vladimir Putin.
The U.S. government is trying to determine whether Russian officials were at the scene when a missile downed that passenger jet, killing all 298 people on board.
The pressing questions tonight: who pulled the trigger? And were the Russians directly involved?
OutFront, the top Democrat on the House Foreign Affairs Committee, Congressman Eliot Engel.