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.
The suspect, who was armed with a 13” knife, was stopped and shot by officers on his way to kill police officers at random
The appellate court was critical of the officer’s decision to enter a suspect’s vehicle, which resulted in the shooting death of the driver and a second officer being struck twice by the vehicle
Federal judge overturns $1.2M civil rights jury verdict against City of Indianapolis
The Court ruled that the employee statements were compelled by threat of job loss and inadmissible in a criminal proceeding
Court holds requesting personal identification in a public location, without threats, overt coercion, or a display of force, was a seizure requiring reasonable suspicion
The officer, believing the suspect was armed and that a fellow officer was in danger, shot the suspect from behind
Officers transported family members to the police station without consent or probable cause for interview while victim died at the hospital
Philadelphia officers had removed a vehicle’s passenger for safety concerns during a traffic stop and found a loaded pistol
Court refused to dismiss county liability allegation that sheriff tacitly authorized pattern of unlawful bean bag deployment
Jury trial required to determine liability for mass arrest, alleged excessive force and supervisory indifference
The Massachusetts Supreme Judicial Court rules a police pat frisk of an armed gang member lawful
Eighth Circuit affirms police detention including handcuffing and pointing guns at suspects
Not mentioned by the court, but the officer’s immediate shooting response justified because he was facing the “deadly reactionary gap”
Eighth Circuit rejects officer’s qualified immunity defense and finds continuous TASER deployment unnecessary, excessive and a violation of clearly established law
Seventh Circuit reverses lower court dismissal of civil rights lawsuit and reinstates officer and city as proper defendants
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