Matthew Cox | Inside True Crime Podcast

Undercover ATF Agent Busts Bad Cops!

Mar 17, 2026
Guest
Eric Immesberger
Eric Immesberger, a former undercover ATF agent who ran high‑risk stings and faced violent encounters. He recounts busting corrupt officers with hidden‑camera stings. He describes undercover hit‑for‑hire operations, ambushes and survival after a brutal attack, pipe‑bomb investigations, big chases, tactical arrests, and his shift to speaking, woodworking, and prison mentoring.
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ANECDOTE

How Two Cops Were Busted With Fake Kilos

  • Eric Immesberger describes exposing two NYPD officers who robbed dealers by using a wired safe in a DA-owned brownstone with fake kilos and $50,000 in cash.
  • The undercover cooperator lured the officers to take staged kilos, then to attempt a $300,000 car stop, which set up their immediate arrest after the sting.
ANECDOTE

Holiday Encounter That Ended In An Ambush

  • Eric narrates walking out to collect an undercover BMW and encountering a lone man with a summons on a desolate holiday, which led to the unprovoked attack.
  • The attack happened during Martin Luther King Day with major events nearby, emphasizing unpredictable street dangers.
ADVICE

Always Carry A Radio And Your Weapon On Duty

  • Keep your firearm and portable radio with you at all times when working in dangerous environments.
  • Eric credits carrying his Glock and NYPD portable radio as lifesaving practices after being repeatedly attacked on the street.
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