Mastering Narcotics Investigations

Course Topics

  • Build stronger narcotic conspiracy cases
  • Understand the business of narcotic trafficking
  • Flip targets to informants
  • Going beyond physical surveillance
  • Identify, investigate, and dismantle DTOs by using electronic surveillance 
John Krewer

John Krewer

Instructor

Street Cop Instructor John Krewer has been serving in a major city police agency for 14 years. Early in his

career, Instructor Krewer was assigned to a tactical street team and led the team in firearms arrests.
After his assignment in the tactical squad, Krewer moved to the Criminal Intelligence Unit where he
investigated and indicted dozens of high-profile violent gang members with charges ranging from
narcotics trafficking to murder.

John Krewer was recruited into a federal Violent Crimes Task Force where he is still actively assigned. In
his time as a TFO in the Violent Crimes Task Force. Street Cop Instructor John Krewer has investigated
major narcotics trafficking organizations, closed numerous major racketeering investigations, seized
multiple kilos of controlled substances, firearms, and major currency seizures. John has used various
techniques in his investigations including confidential informants, pole cameras, tracking devices,
physical surveillance, undercover operations, pen registers, and TIII wiretaps. He has also been involved
in homicide investigations, murder for hire cases, kidnapping investigations, and various other high-level
conspiracy cases.
Street Cop Instructor Krewer regularly trains new agents assigned to his task force. He has training in
surveillance, counter surveillance, diplomatic protection, terrorism, advanced narcotics investigations,
and active shooter response. Come learn from the best!

Course Topics:

  • Build stronger narcotic conspiracy cases
  • Understand the business of narcotic trafficking
  • Flip targets to informants
  • Going beyond physical surveillance
  • Identify, investigate, and dismantle DTOs by using electronic surveillance 

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UPCOMING EVENTS

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Event Venue Date
Mastering Narcotics Investigations Oneida, NY
  • October 17, 2022
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Mastering Narcotics Investigations Cleveland, OH
  • November 14, 2022
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