Fentanyl, a synthetic opioid, is plaguing the country and killing some of the most vulnerable people: children and young adults. Not only are counterfeit prescription pills routinely laced with Fentanyl, but so are street drugs like cocaine and marijuana, which is killing people in masses. Feliz shares the tragic story of losing her sister, Karina, to a mass fentanyl poisoning that killed her and four other adults. Also, John, a father, says he watched both his sons overdose in his home after taking what they thought was Oxycodone but instead was a counterfeit pill laced with fentanyl. One of his sons survived and shares what happened on that fatal night.