Iranian nuclear scientist Mohsen Fakhrizadeh has been assassinated. The Iran Nuclear scientist assassination is being blamed on Israel. The Iranian scientists is considered the father of Iran's nuclear program, which was supposed to have ended in the Iran Nuclear Deal. But the death of Mohsen Fakhrizadeh is revealing deep cracks in the Iranian regime. And it could prove to be a major challenge for Trump or Biden handling Iran sanctions. Find out what happened on this America Uncovered!