In this Dateline classic, California mother, Rachel Winkler, is found dead in her home. Her husband tells law enforcement he killed her in self-defense, but they soon find something from his past that changes everything. Keith Morrison reports. Originally aired on NBC on March 20, 2015. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.