Global News at 6 Winnipeg September 29 2016 8:01pm 01:29 Deadly drug carfentanil in Winnipeg, police say It’s heroin laced with elephant tranquilizers, and 100 times more potent than fentanyl. Now the Winnipeg police say carfentanil is in Winnipeg. Global’s Talia Ricci reports. Chinese companies willing to export deadly opioid carfentanil to Canada and U.S. Deadly drug carfentanil in Winnipeg, police say REPORT AN ERROR Responsive site?