Mark Lowther

Lt. Mark Lowther (Ret)

Lt. Mark Lowther is a US Marine Corps veteran. Mark retired after 24 years of service with the Weber County Sheriff’s Office (Ogden, Utah). His background is varied and diverse. He has served as a SWAT hostage negotiator for a major portion of his career.


His background and experience comes from serving on two Metro SWAT teams. Mark has experience on all levels of negotiations from tech to negotiation team leader. He has personally been involved in numerous threatened suicide and SWAT negotiation incidents. Mark was also a primary negotiator during one of the first known hostage negotiations involving social media.


Mark has extensive background and training in suicide intervention and mental illness. He has instructed law enforcement nationally and internationally on crisis negotiations and  law enforcement interaction with suicidal individuals and the mentally ill. Mark has presented on crisis/hostage negotiations at numerous police crisis negotiator association conferences.


In 2017-18 Mark was contacted to provided training in Ukraine three separate times on crisis negotiations and hostage survival. He presented to Civilian Peace Engineers, Security Service of Ukraine personnel, as well as various local and state law enforcement units. Mark also was asked to present to the president of Ukraine’s staff on interaction and de-escalating incidents with combat veterans.


He was named by the Utah Tactical Officers Association as the 2012 Crisis Negotiator of the year.


In addition to his duties on the SWAT hostage negotiation team, Mark has worked in corrections, patrol, detectives, vice/gangs, motors, warrants, and court security. Mark served as part of the Public Safety Law Enforcement Unit assigned to the 2002 Salt Lake Winter Olympics. He has also served on a federal task force as a sworn Special Deputy United States Marshal.

Mark has served as a public information officer, watch commander, patrol precinct commander, and court security services commander. Mark although retired from full time law enforcement, continues to serve as a part time deputy sheriff and maintains Utah Peace Officer status