Podcast:48 Hours Published On: Sun Oct 06 2019 Description: A mom vanishes and now her fiancé is in jail awaiting trial for her murder. His former rodeo queen girlfriend says she knows what really happened. CBS News correspondent Nikki Battiste reports.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.