Investigation Security Measures Arrests Capitol Riot Injuries Assault Investigations Riot Response Jan. 6 Capitol Attack Evacuation CCTV Footage Evidence Collection Threat Assessments Building Evacuation Protest Arrests Ex-Capitol Police Sgt. Injured Officer Michael Angelo Riley Arrest and Detainment Fire Alarm Incident Response to Gun Calls Security Preparedness Jan. 6 Riot Mississippi State Capitol Detentions January 6th Insurrection Emergency Response Protest Control Obstruction of Justice Assault on Law Enforcement Criminal Investigation Unit Trauma Field Offices Arrest Procedures Restraining Protesters Bomb Threats Capitol Attack Protective Intelligence Assaulted Officers Jurisdiction Fire Alarm Incidents Mark Ode Security Failure Elevated Alert Questioning Building Security Protests Intelligence Gathering Capitol Hill Riot Regional Offices Officer Harry Dunn Jan. 6 Attack Protest Response Rep. Jamaal Bowman Custody Officers Prosecution National Capital Region Threats Capitol Security Jan. 6 Capitol Riot Comparison to Nazi and Gestapo Officers Responsibility Demonstrator Removal