21st Century Narcotics Investigations

John Krewer brings an extensive 16-year track record of unwavering commitment and service within a major city police department. He began his career as a prominent officer excelling in firearm arrests as part of a uniform tactical street team. Krewer’s exceptional skills swiftly propelled him into the Criminal Intelligence Unit, where he adeptly investigated and successfully arrested numerous high-profile violent gang members, spanning crimes ranging from narcotics trafficking to homicide.

His career trajectory then led him to join a Federal Narcotics Task Force in 2015, where he continues to serve with distinction. As a Task Force Officer (TFO), Krewer has played a pivotal role in probing major narcotics trafficking organizations, conducting multiple racketeering investigations, and orchestrating seizures of substantial quantities of controlled substances, firearms, and significant amounts of currency. Leveraging a diverse array of investigative techniques, including confidential informants, pole cameras, tracking devices, physical surveillance, undercover operations, pen registers, and TIII wiretaps, Krewer has made significant contributions to homicide investigations, lead murder-for-hire cases, kidnapping probes, and various conspiracy cases.

Moreover, as an Instructor, Krewer serves as an indispensable mentor in training newly assigned agents within his task force. Proficient across a spectrum of skills encompassing surveillance, counter-surveillance, diplomatic protection, counter-terrorism, advanced narcotics investigations, and active shooter response, his expertise and guidance are invaluable. Join us and benefit from the insights of this seasoned expert!