Fentanyl, a deadly synthetic opioid, has poisoned and killed many of the country’s youth and young adults -- and if it isn’t killing them, they're getting hooked. One woman shares how she became addicted to Xanax and Oxycodone that she was purchasing through social media and later learned the pills were laced with fentanyl. A former drug dealer shares his perspective on just how dangerous buying drugs on and off the street can be. Also, find out why one father says he is pushing to designate fentanyl as a “weapon of mass destruction.” Plus, families share tragic stories of how they lost their loved ones to fentanyl poisoning, and the changes they are demanding so that no more lives are lost.