'Your friend is a specialist for the narcotics investigator?'

Charlie's world falls apart when one of his employees is an undercover narcotics investigator.

As a narcotics investigator, Detective Wrynn had access to such information.

Law enforcement pressure is forcing dealers to take new precautions, narcotics investigators said.

The figure includes 300 narcotics investigators who work in New York City, with another 100 to come.

She has been a street officer, a narcotics investigator and a manager in the street crimes unit.

Police officers at the 108th Precinct's headquarters said the car had been turned over to narcotics investigators.

The park also employs a federally financed narcotics investigator and undercover operations to flush out sales.

The narcotics investigator inserted himself between the two men like the referee in a prizefight.

Justice Department officials said he has provided narcotics investigators with some of the best intelligence data on the cartel and its methods.