About Us

Police chemical agent instructors started Tear Gas Resources in 2007 for police officers. Tear Gas Resources staff have a combined 75+ years of experience in the actual deployment of NON-LETHAL CHEMICAL AGENTS in a tactical environment. This makes Tear Gas Resources one of the leading assets for information about tear gas, new tear gas products and tear gas training. The principals have been instructing police officers for over 30 years in the tactical deployment and teaching methods of chemical agents.
Our goal is to encourage innovative thinking, whether to develop products that help the police tactical team of every level of ability reach their potential, in the use of non-lethal chemical agents. We are innovators and teachers. We offer products that you might not find in other places.

Dennis Cole
Captain Dennis Cole retired from the San Diego County Sheriff’s Department in 2002 after a 29-year career. He was assigned to the Sheriff’s Special Enforcement Detail/SWAT team for seventeen years, including four years as the SWAT Commander. Dennis has been a POST Master chemical agent instructor since 1980 and serves on the POST chemical agents advisory committee. Captain Cole is considered a subject matter expert by POST in the field of non-lethal chemical agents, and has attended numerous instructor’s schools, including the Federal Laboratories Chemical Weapons and Chemical Agent Instructor schools. Prior to his law enforcement career, he served a tour of duty in the Republic of Vietnam with the 1st Cavalry Division of the U.S. Army.
Dennis holds an Associate of Arts Degree in Criminal Justice from San Diego City College, a Bachelors Degree in Business Administration from National University and a Master of Arts in Management Degree from the University of Redlands. He is a graduate of the FBI National Academy.

Dennis Teach
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