Tragedy in Colorado from Fentanyl OverdosesLast February, a group of friends in a Denver suburb took cocaine, but five of them died. Colorado detectives determined it was laced with a deadly amount of synthetic fentanyl. Efforts to find out who was responsible for this mass overdose - and prosecuting them - highlighted another challenge in the nation’s fentanyl drug crisis.

The Hidden Dangers of Fentanyl from ABC NightlineLaw enforcement, students and parents present dire warnings as the nation continues to see a rise in fentanyl overdose deaths.

Overview of the Opioid Crisis from PBS News HourFebruary 9, 2022"The opioid overdose crisis that killed more than 100,000 Americans in a year is being called one of the most pressing national security and public health challenges facing the U.S. A majority of the overdoses are driven by the potent synthetic opioid fentanyl. Maryland Rep. David Trone, co-chair of the federal Commission on Combating Synthetic Opioid Trafficking, joins William Brangham to discuss."