Public Safety and National Security Committee, on May 4, 2010
- Alok Mukherjee, Secretary-Treasurer, Canadian Association of Police Boards
- Carol Allison-Burra, Director, Canadian Association of Police Boards
- Commissioner William Sweeney, Senior Deputy Commissioner, Royal Canadian Mounted Police
- Superintendent Marty Cheliak, Director General, Canadian Firearms Program, Royal Canadian Mounted Police
- Paulette Senior, Chief Executive Officer, YWCA Canada
- Rick Hanson, Chief of Police, Calgary Police Service
Public Safety and National Security Committee, on May 6, 2010
- Nathalie Villeneuve, President, Regroupement des maisons pour femmes victimes de violence conjugale
- Louise Riendeau, Coordinator, Political Issues, Regroupement des maisons pour femmes victimes de violence conjugale
- Nathalie Provost, Member, Group of Students and Graduates of Polytechnique
- Heidi Rathjen, Representative, Group of Students and Graduates of Polytechnique
- Mitch McCormick, As an Individual
- Jack Tinsley, As an Individual
- Dave Shipman, As an Individual
Public Safety and National Security Committee, on May 13, 2010
- Alexa Conradi, President, Fédération des femmes du Québec
- Manon Monastesse, Director, Fédération de ressources d'hébergement pour femmes violentées et en difficulté du Québec, Fédération des femmes du Québec
- Charles Momy, President, Canadian Police Association
- Nadine Teeft, Detective Constable, Organized Crime Enforcement, Gun and Gang Task Force, Toronto Police Services, Canadian Police Association
- John Edzerza, Member of the Legislative Assembly, McIntyre-Takhini, and Minister of Environment, Government of Yukon
- Bob Rich, Chief Constable, Abbotsford Police Department
- Brian Rahilly, Spokesperson, Dawson College Committee for Gun Control
- Alan Drummond, Canadian Association of Emergency Physicians
- Carolyn Snider, Canadian Association of Emergency Physicians
Public Safety and National Security Committee, on May 25, 2010
- Barbara Byers, Executive Vice-President, Canadian Labour Congress
- Patty Ducharme, National Executive Vice-President, Executive Office, Public Service Alliance of Canada, Canadian Labour Congress
- Kevin Gaudet, Federal Director, Canadian Taxpayers Federation
- Wendy Cukier, President, Coalition for Gun Control
- Pierre-Hugues Boisvenu, Senator, CPC, Senate
- Chris Bentley, Attorney General of Ontario, Government of Ontario
- Duane Rutledge, Sergeant, As an Individual
- Gary Mauser, Professor Emeritus, As an Individual
Public Safety and National Security Committee, on May 26, 2010
- Pierre Maurice, Chief, Scientific Unit, Safety and Injury Prevention, Institut national de santé publique du Québec
- William Blair, President, Chief of the Toronto Police Service, Canadian Association of Chiefs of Police
- Priscilla de Villiers, Victim Advocate and Founder, Canadians Against Violence Everywhere Advocating its Termination
- Greg Farrant, Manager, Government Relations and Communications, Ontario Federation of Anglers and Hunters
- Sergeant Murray Grismer, Detective Sergeant, Saskatoon Police Service, As an Individual
- Etienne Blais, Assistant Professor, School of Criminology, University of Montreal, Institut national de santé publique du Québec
Public Safety and National Security Committee, on May 27, 2010
- Jacques Dupuis, Minister of Public Safety, Government of Québec
- Sheila Fraser, Auditor General of Canada, Office of the Auditor General of Canada
- Alain Cossette, Director General, Fédération québécoise des chasseurs et pêcheurs
- Bernard Pelletier, Volunteer Master Instructor in Gun Safety, Security Nature, Fédération québécoise des chasseurs et pêcheurs
- Tony Bernardo, Executive Director, Canadian Shooting Sports Association
- Diana Cabrera, Member, Canadian Shooting Sports Association
- Katherine Austin Leonard, Member, Canadian Paediatric Society
Public Safety and National Security Committee, on June 1, 2010
Public Safety and National Security Committee, on June 3, 2010