_ When court is done for the day, the conversation is only just beginning. Watch "HLN After Dark: The Jodi Arias Trial" nightly at 10 p.m. on HLN. _
It's July 15, 2008, and police have arrested Jodi Arias for the alleged murder of Travis Alexander. In this never-before-seen footage, surveillance video captures Arias doing a headstand, singing and talking to herself. Will the emergence of this new video affect her trial? Find out in this clip, and check out the other must-see videos from the Arias trial this week.