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Mike Callahan

The Objectively Reasonable Officer

John Michael Callahan served in law enforcement for 44 years. His career began as a special agent with NCIS. He became an FBI agent and served in the FBI for 30 years, retiring in the position of supervisory special agent/chief division counsel. He taught criminal law/procedure at the FBI Academy. After the FBI, he served as a Massachusetts Deputy Inspector General and is currently a deputy sheriff for Plymouth County, Massachusetts. He is the author of two published books on deadly force and an upcoming book on supervisory and municipal liability in law enforcement.

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LATEST ARTICLES
Court rules that Chicago police officer acted as private citizen when shooting and seriously wounding a friend
Compelled identify statutes valid only when officers detain a suspect based upon reasonable suspicion
Case reviews nonconsensual police entry into a private residence to arrest an occupant
The Rollice case is the latest in a series of questionable decisions involving police shootings where lower courts examine officer pre-shooting conduct
Court ruled the officers had probable cause to detain the subject for his own safety and the legal power to use reasonable force to accomplish that detention
The court ordered the disclosure of secret immunized officer grand jury testimony to defense lawyers and police chiefs
The decision in this case demonstrates the incredible value to American law enforcement of Graham v. Connor
This case demonstrates what the Supreme Court envisioned when creating the qualified immunity defense
The legislation creates a $25,000 personal liability ceiling for officers found liable for state constitutional violations
Abolishing this defense will leave officers defenseless against a dramatic increase in excessive force lawsuits