Social media platforms face pressure to stop online drug dealers who target kids

Critics say Snap, the maker of Snapchat, needs to do more to stop on-line drug dealers. The company told NPR it's improving safety measures and working with law enforcement. (Richard Drew/AP)

Three years ago Amy Neville went to her son Alex's bedroom and found the 14-year-old lying dead on a bean bag chair. He had overdosed — Neville describes it as a "poisoning" — on fentanyl.

"An amazing child who could do anything he set his mind to was gone," Neville testified Wednesday before a House panel in Washington, D.C.