A criminal investigation has been launched in New Mexico to examine the actions of US Drug Enforcement Administration agents. The probe aims to determine if these agents violated state law by permitting large quantities of fentanyl pills to be distributed on the streets of Albuquerque. The investigation was initiated by New Mexico's attorney general on Friday.

It follows an incident where hundreds of thousands of fentanyl pills were allowed to reach the streets. Further details on this developing story are available from KPRC 2 / Click2Houston.