The Montebello Police Department Narcotics Bureau is responsible for the investigation and enforcement of all Narcotics-related offenses taking place in the city of Montebello. The Narcotics Bureau routinely follows up on complaints of illegal activity related to the use, sales, and transportation of narcotics. Complaints can range from teenagers smoking marijuana on the street corner to major narcotics transactions in and around the city of Montebello. The Narcotics Bureau is dedicated to taking drug dealers off the streets. The Narcotics Bureau also works large scale narcotics investigations with the various federal agencies such as the Federal Bureau of Investigations (FBI), Drug Enforcement Administration (DEA), Homeland Security Investigations (HSI), and Alcohol Tobacco & Firearms (ATF).