Entrepreneur Robert Dahl was drawn from Minnesota to the Napa Valley wine scene and wealthy Silicon Valley businessman Emad Tawfilis wanted to be an investor in the wine industry. But in March 2015, their bitter money dispute over a winery business ended in murder. “48 Hours" Correspondent Tracy Smith reports. This classic "48 Hours" episode last aired on 8/18/2018. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices