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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 a recently released book on supervisory and municipal liability in law enforcement.
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
Many federal judges are uninformed regarding the threat posed to officers by persons holding a firearm
Court authorizes warrantless entries into homes and seizures of persons and firearms when officers have objectively reasonable belief public safety is in jeopardy
What can we learn from the case of a Utah detective who was fired for mistakenly trying to compel warrantless blood draw? The Supreme Court provides the answers.
The number of past similar complaints lodged against an officer must be seen as a warning to superiors that the officer requires special supervision and remedial training
This case focused not only on the significant threat of danger faced by officers at the moment they resort to lethal force, but also on officer conduct directly leading up to the shooting
Failure to manage confidential criminal informants can lead to personal and municipal civil liability, and even criminal prosecution of officers
Case demonstrates what happens when police supervisors display indifference to their responsibility to train, supervise and discipline subordinate officers
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