Podcast:48 Hours Published On: Sun Mar 03 2019 Description: A beautiful mom and her young daughter are found dead near train tracks -- was it a murder-suicide or a cold-blooded killing? "48 Hours" helped reopen the case. Correspondent Peter Van Sant reports.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.