Interview: The Difficulties of Identifying Marijuana DUI January 12, 2018 Morning News, Podcasts, Top Stories CHP Officer Jon Sloat, joins us to talk about the difficulties of identifying marijuana DUIs. http://dehayf5mhw1h7.cloudfront.net/wp-content/uploads/sites/726/2018/01/12124655/01_12_2018_748_DifficultiesIDingMarijuanaDUI_JonSloat.mp3