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Law & Policy

Case law and policy positions, dated and tagged by jurisdiction.

Pre-Incident & Dispatch

  • 911 Call-Taking, Dispatch Information, and Officer Knowledge

    A federal-law backgrounder on how courts treat information reported to 911, captured by call-takers, prioritized in CAD, transmitted by dispatch, and actually known by responding officers in police use-of-force litigation.

    Current Version 1.0 October 9, 2026

Arrival & Approach

  • Emergency Aid, Welfare Checks, and Warrantless Entry

    A federal-law backgrounder on emergency-aid and exigent-circumstances doctrine in non-criminal welfare and medical calls, including suicidal-person responses, warrantless home entry, the limits of community caretaking after Caniglia, and the transition from protective entry to use of force.

    Current Version 1.0 October 9, 2026

Encounter & Intervention

  • ADA Title II and Section 504 as Alternative Theories in Police Use-of-Force Cases

    A federal-law backgrounder on Title II of the Americans with Disabilities Act and Section 504 of the Rehabilitation Act as disability-discrimination and reasonable-accommodation theories arising from police encounters, arrests, mental-health crises, and uses of force.

    Current Version 1.0 October 9, 2026

  • Body-Worn Camera and Video Evidence

    A backgrounder on the legal standards governing video evidence in excessive-force litigation--covering the Scott v. Harris videotape rule and its limits, body-worn camera angle and activation issues, spoliation obligations, and the distinction between what a camera recorded and what an officer perceived.

    Current Version 1.0 October 18, 2026

  • De-Escalation: Legal and Policy Framework

    A backgrounder on de-escalation in police encounters--distinguishing the constitutional totality-of-circumstances analysis from agency policy requirements, examining when pre-force tactical choices are constitutionally relevant, and surveying circuit variation after Barnes v. Felix.

    Current Version 1.0 October 18, 2026

  • Distance, Cover, and Tactical Positioning

    A federal-law and policy backgrounder on distance, cover, tactical redeployment, the Tueller Drill, time-and-distance concepts, and whether officers must retreat, wait, close distance, or reposition before using force.

    Current Version 1.0 October 9, 2026

  • Duty to Intervene

    A backgrounder on federal duty-to-intervene liability under 42 U.S.C. § 1983, including knowledge of another officer's constitutional violation, realistic opportunity to intervene, causation, excessive-force applications, rapid-event limitations, qualified immunity, and circuit variation.

    Current Version 1.0 October 8, 2026

  • Federal Constitutional Excessive-Force Standard

    A backgrounder on the federal constitutional standard governing police use of force, centered on Fourth Amendment objective reasonableness, deadly-force doctrine, the totality-of-the-circumstances requirement, and current circuit-level issues after Barnes v. Felix.

    Current Version 1.0 October 8, 2026

  • Mental Health Crisis Response: Integrated Legal Framework

    An integrated backgrounder on the legal framework governing police encounters with persons in mental health crisis--drawing together the Graham reasonableness standard, ADA accommodation requirements, emergency-aid entry doctrine, compliance capacity analysis, and the constitutional implications of CIT and co-response models.

    Current Version 1.0 October 18, 2026

  • Officer-Created Jeopardy and Pre-Force Conduct

    A backgrounder on the role of pre-force officer conduct in federal excessive-force analysis, including Graham, Mendez, Barnes v. Felix, officer-created jeopardy, circuit variation, causation, and the distinction between tactical error and constitutional liability.

    Current Version 1.0 October 8, 2026

  • Police Commands, Opportunity to Comply, and the Timing of Force

    A federal-law backgrounder on how courts evaluate police commands, warnings, the time afforded to comply, physical and cognitive ability to comply, and the use of force before, during, or after attempted compliance.

    Current Version 1.0 October 9, 2026

  • Threat Timing, Action–Reaction, and the Start and Stop of Police Force

    A federal-law backgrounder on anticipatory self-defense, action–reaction timing, perception and motor-response latency, and the constitutional requirement to reassess and stop force when the threat ends.

    Current Version 1.0 October 9, 2026

  • Weapon Possession, Brandishing, and Threat Assessment

    A federal-law backgrounder on the distinction between possessing, displaying, brandishing, raising, moving, or using a weapon in police deadly-force analysis, with emphasis on edged weapons, threat geometry, commands, distance, intent, and qualified immunity.

    Current Version 1.0 October 9, 2026

Post-Incident & Analysis

  • 18 U.S.C. § 242 Criminal Liability

    A backgrounder on federal criminal liability under 18 U.S.C. § 242 for willful deprivation of constitutional or federal rights under color of law, including elements, willfulness, fair warning, penalties, excessive-force applications, and the relationship to § 1983.

    Current Version 1.0 October 8, 2026

  • 34 U.S.C. § 12601 Pattern-or-Practice Enforcement

    A backgrounder on federal pattern-or-practice enforcement against state and local law-enforcement agencies under 34 U.S.C. § 12601, including DOJ investigative authority, evidentiary standards, remedies, consent decrees, monitoring, institutional reform, and current enforcement context.

    Current Version 1.0 October 8, 2026

  • 42 U.S.C. § 1983 Deprivation of Civil Rights

    A backgrounder on 42 U.S.C. § 1983 as the principal civil vehicle for enforcing federal constitutional rights against state and local actors, including its historical purpose, elements, state-action requirement, causation, remedies, and relationship to excessive-force claims.

    Current Version 1.0 October 8, 2026

  • Bivens and Federal-Officer Liability

    A backgrounder on damages actions against federal officers for constitutional violations, including the original Bivens remedy, its modern contraction, the new-context and special-factors framework, border-enforcement cases, alternative remedies, and the distinction from 42 U.S.C. § 1983.

    Current Version 1.0 October 8, 2026

  • Failure to Provide or Render Medical Aid Following Use of Force

    A federal-law backgrounder on the constitutional duty to obtain or provide medical care after police use of force, including City of Revere, deliberate indifference, objective post-arrest care, the distinction between summoning aid and personally rendering treatment, and the post-Kingsley circuit split.

    Current Version 1.0 October 9, 2026

  • Injunctive Relief and Standing in Police-Misconduct Cases

    A backgrounder on Article III standing and federal injunctive relief in police-misconduct litigation, centered on O'Shea v. Littleton, Rizzo v. Goode, City of Los Angeles v. Lyons, and the distinction between private prospective relief and DOJ institutional enforcement.

    Current Version 1.0 October 8, 2026

  • Monell Liability

    A backgrounder on municipal liability under 42 U.S.C. § 1983, including official policy, custom, final policymaker decisions, failure to train or supervise, deliberate indifference, causation, and the limits of respondeat superior.

    Current Version 1.0 October 8, 2026

  • Qualified Immunity

    A backgrounder on qualified immunity in federal civil-rights litigation, including the two-step framework, the clearly-established-law requirement, factual specificity, obvious-case doctrine, sequencing, excessive-force applications, circuit variation, and policy implications.

    Current Version 1.0 October 8, 2026

  • Supervisory Liability under 42 U.S.C. § 1983

    A backgrounder on personal liability of supervisors under 42 U.S.C. § 1983, including personal involvement, causation, deliberate indifference, failure to supervise or discipline, Ashcroft v. Iqbal, circuit variation, and the distinction from Monell municipal liability.

    Current Version 1.0 October 8, 2026

  • What Is Clearly Established Law?

    A federal-law backgrounder explaining the clearly-established-law requirement in qualified-immunity analysis, including fair notice, source hierarchy, factual specificity, obvious cases, timing, circuit variation, and application to police use-of-force cases.

    Current Version 1.0 October 9, 2026