After two trials, Kimberly Long was convicted of brutally murdering her boyfriend, Ozzy Conde, has spent seven years in prison, and, with the help of The California Innocence Project, she now has a new shot at justice. With her conviction overturned and the possibility of a third trial, 20/20 investigates whether she really committed this violent crime as the prosecution alleges. ABC News Correspondent Matt Gutman sat down with Kimberly as she tells her side of the story.