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LEO Training

Mastering Narcotics Investigations
  • January 12, 2023
  • 9:00 am – 4:00 pm
  • Wyandotte Police Department
    2015 Biddle Ave.
    Wyandotte, MI 48192


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Identify the problem, identify “The Target”, map out an investigative strategy, gather intel, locate evidence, build probable cause using modern technology, plan your apprehension and lock up your “Target”.


John Krewer

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!


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