Watch Casey Anthony: An American Murder Mystery Episode 1 HD Full Free on SolarMovie. Watch Casey Anthony: An American Murder Mystery tv series online free. It meets with the family at the center of it all, the Anthonys, to hear their first-hand account of ...It meets with the family at the center of it all, the Anthonys, to hear their first-hand account of the tragic details surrounding the death of their granddaughter Caylee. We'll reveal the details surrounding the troubled investigation and explore new revelations in the case that outraged the nation.