ABOUT
US

Inspector Colin Brown is a 26-year veteran of a British Columbia police department and current Critical Incident Commander for his
department’s hostage rescue team. He graduated from the University of Victoria in 1994 with a B.A. (with distinction) in History and Political
Science and in 1997 with his Law Degree.

His operational experience includes surveillance, covert operations, investigations, and tactical response. Colin spent 13 years on the tactical
unit as an operator, retiring as the sniper team leader in 2015. Colin completed his CIC course at CPC in 2015 under the instruction of
Inspector Randy Bell (retired VPD) and Inspector Blair White (retired CPS/RCMP), and has commanded over 100 operations since that time.

In addition to being a police officer, Colin is a practicing lawyer of 26 years. He has written several police manuals and developed courses on
Critical Incident Command, The Law of Tactical Policing, Search and Seizure, and Professional Standards. Colin received the Order of Merit of
the Police Forces in 2012 for his distinction in developing advanced police courses and providing preeminent instruction and mentoring to
officers throughout Canada.

Deputy Chief Michael Brown is a 30-year veteran of a British Columbia police department and current Critical Incident Commander for his
department’s hostage rescue team. He graduated from the University of Victoria in 1998 with a B.A. (with distinction) in Humanities. He has
been involved in police tactical operations and the Emergency Response Team Program for 25 years.

As a previous tactical operator and team leader, Michael was deployed on 500 operations including warrant service, VIP protection, high-risk
prisoner transport, barricaded suspect, and hostage rescue. Michael has an extensive instructional background in a number of disciplines
including firearms, patrol tactics, operational decision-making, active deadly threat, barricaded suspect operations, hostage rescue, and critical
incident management.

Michael was the Officer in Charge of his department’s ERT program for four years, a member of the Provincial ERT Working Group, and has
been an active Critical Incident Commander for the past six years. Michael received the Medal of Bravery from the Governor General in 2013
for his role in a tactical operation.

Inspector Randy Bell (Retired) is a 34-year veteran of the Vancouver Police Department, having retired in August 2024. He joined the
Vancouver Police Department in August 1990 after studying criminology at Simon Fraser University. Over his career with Vancouver Police
Randy primarily worked operational assignments in the Operations Division and the Emergency Response Team.

As a Tactical Operator, Tactical Supervisor and Critical Incident Commander, he has participated in tactical operations and critical incidents
including police involved shootings, barricaded suspects, kidnappings, hostage rescue, high-risk criminal apprehensions, high-risk warrant
service, high risk convoy protection and VIP protection of international ministers and heads of state.

Since 1999, Randy has instructed police tactics, firearms, critical incident dynamics, leadership and critical incident command at the Canadian
Police College, Vancouver Police Department, the Justice Institute of B.C., the Ontario Police College, and the Atlantic Police Academy. He has
been a Critical Incident Commander since 2015 and retired as an Adjunct Faculty member at the Canadian Police College and Justice Institute
of B.C.

Randy was a CIC for 8 years, and commanded the Emergency Response Team, Marine Unit and the K-9 Unit for 2 years until his retirement
from policing.

Inspector Blair White (Retired) is a 31-year veteran of the Calgary Police Service (Superintendent Retired) and most recently completed 4 years
with the Royal Canadian Mounted Police, E-Division, Critical Incident Program. He began his career in 1987 after completing the Criminology
Program at Mount Royal University.

His career transitioned from patrol to the Tactical Unit (Emergency Response Team) as an operator, explosives technician and explosive forced
entry instructor. Blair instructed at the Canadian Police College throughout his 7-year tenure within the Tactical Unit in both the Explosive
Training Course/Revalidation Training and the Explosive Forced Entry courses. Blair worked mostly in operational units throughout his career,
including returning to the Support Section as the OIC of the Tactical Unit, Canine Unit, Air Support Unit, Mounted Unit, Negotiator Program
and the Critical Incident Program. He was promoted to the rank of Superintendent where the Real Time Operations Centre, General
Investigations and Duty Officers were added to his purview.

Blair retired from the Calgary Police Service in 2017 for an opportunity as the RCMP E-Division (British Columbia) Critical Incident Program
Operations Officer.

Blair became a Critical Incident Commander in 2008 and has commanded covert and overt operations, pre-planned operations, hostage
rescue, kidnappings, protective details, warrant service, barricade and manhunt deployments. He was an instructor and assessor for the
Critical Incident Commanders Course at the Canadian Police College from 2009 to 2023. Blair also assisted in the development and instruction
of the Critical Incident 100-400 program within the Calgary Police Service and the Critical Incident Management training as a member of the
RCMP Critical Incident Program.

Since retiring in 2021, Blair has maintained his involvement with the Canadian Police College Critical Incident Command training program
through a civilian coordinator role and involvement in several operational and training reviews until the end of 2023.

Deputy Chief Robert Warren (Retired) is critical incident leadership specialist with more than two decades of operational and command experience in policing. Over his 24-year career with the Saanich Police Department, he held senior roles in front-line operations, major crime investigations, and the oversight of several integrated regional units, including the Greater Victoria Emergency Response Team (GVERT), Integrated Canine Service (ICS), and the Greater Victoria Public Safety Unit (GVPSU). His work has centred on leading teams in high-risk, high-consequence environments and developing the organizational systems that support effective crisis response and officer wellbeing.

From 2009 to 2016, Robert served as the GVERT Crisis Negotiation Team Leader, where he led operational deployments and introduced a series of modernization initiatives that strengthened team readiness including updated CNT deployment standards, the adoption of new negotiation technologies, and the integration of mental health professionals into critical incident response. In 2018, he obtained his Critical Incident Commander accreditation through the Canadian Police College and subsequently spent four years providing operational leadership to the GVERT. He later completed Public Order Gold Commander training through the UK College of Policing and served in that capacity with the GVPSU until his retirement in 2025.

Prior to policing, Robert served as an Artillery Officer in the Canadian Armed Forces and worked as a secondary school teacher. He holds a B.A. in Military and Strategic Studies from Royal Roads Military College and an MPA from the University of Victoria, and he has taught as an adjunct instructor at the Justice Institute of British Columbia and Dalhousie University. He is the recipient of the Meritorious Service Medal for lifesaving as a crisis negotiator and the King Charles III Coronation Medal for outstanding service to Canada.

Inspector Sean Pollock (retired) served with the Winnipeg Police Service for 24 years and, during the course of his career, worked in patrol, community support, specialized investigations, traffic, and the training division. He was promoted to Inspector in 2022 and served as the Divisional Commander of the Operational Support Division (special operations), the Records and Reports Management Division, and Special Projects. Inspector Pollock joined the Crisis Negotiation Unit in 2011 and, over his 11 years with the unit - including 7 years as team coordinator- was deployed to a variety of crisis incidents, including suicidal individuals, barricaded subjects, and high-risk warrants. Inspector Pollock completed his Critical Incident Commander training at the Canadian Police College and was an adjunct faculty member there until his retirement.

He is currently a member of the instructing cadre for the National Tactical Officers Association and recently published his first book, "Answering the Call: Lessons Learned as a Crisis Negotiator". Inspector Pollock has presented on Crisis Negotiation topics across North America at conferences and seminars, and was a guest instructor at the Police Scotland national negotiator course. He was recognized for his law enforcement work by the Province of Manitoba, receiving the Excellence in Law Enforcement Award in 2012.

Tanya Silletta brings over 25 years of experience in police emergency operations to her role as Scribe Team Leader at Brownstone Tactical Group. Her career spans work as a Police Dispatcher, Trainer, and Critical Incident Scribe, with 12 years dedicated to her police department’s Emergency Response Team—8 of those as the Scribe Team Leader.

Throughout her career, Tanya has supported hundreds of real-world critical incidents, capturing and documenting the decisions and actions of Critical Incident Commanders and their teams. Her expertise ensures operational accountability and enhances command decision-making in complex, high-pressure situations.

In addition to her leadership at Brownstone Tactical Group, Tanya serves as a Training Specialist with a provincial public safety agency and has instructed on the Canadian Police College’s Critical Incident Scribe Course, delivering this specialized training across Canada.

Nationally recognized for her excellence in training, Tanya was named APCO Canada’s Trainer of the Year (2025). She is widely respected for her engaging facilitation style, deep operational insight, and unwavering commitment to learner success.

Sergeant Kris Caprarie (Retired) completed a 25-year career in law enforcement. He began his service with the New Westminster Police Department in 1999, quickly advancing to become a member of the Emergency Response Team before transitioning to the Calgary Police Service. Initially working in the downtown patrol division, he passed selection for the full-time Tactical Unit in 2005. Upon completing the six-month basic Tactical Operators and advanced Hostage Rescue Team courses, he was selected to undertake the Calgary Police Sniper Course.

In 2009, Kris became a primary instructor within the sniper program and achieved the position of Unit Master Sniper in 2013. Throughout his nearly 14-year tenure as a Constable in the Tactical Unit, he was responsible for all forms of firearms training, high-angle rope work, and advanced clearing protocols under night vision for the Hostage Rescue Teams. He holds instructor certifications from the Calgary Police Service, the FBI, and the Department of National Defense. Kris has certified snipers and marksmen across Canada and has provided expert analysis on sniper deployments.

Following his promotion out of the Tactical Unit, Kris served as a patrol Sergeant in the city's highest call-load district, frequently acting as the on-scene commander during violent critical incidents, including several officer-involved shootings. During his career, he spent one year away from operations as a lead training Sergeant in the Field Training Unit, where he was responsible for developing and delivering continuous in-service training for the 1,500-strong uniformed patrol division.
Returning to the Tactical Unit, Kris concluded his career as a Tactical Unit Team Sergeant, having participated in over 3,000 tactical operations. He remains active in the precision rifle community, representing Canada at the International Precision Rifle Federation world finals as recently as 2024.