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Keith retired from the FBI after serving 24 years as a Special Agent.  He was the lead investigator in the largest successful FBI extortion investigation in Arizona, and  also for the largest fugitive manhunt in Arizona (as featured on Discovery ID television program; FBI: Criminal Pursuit).  Keith was a lead investigator for one of the largest domestic terrorism undercover operations in the FBI involving threats against a Nuclear Facility.  He has successfully investigated kidnappings, interstate shipment theft, civil rights, hate crimes, gangs, domestic terrorism, murder, sex crimes, bank robberies, and fugitives.  Keith participated in over 1000 arrests in his career.  He supervised one of the largest Tactical Teams in the FBI.  As the FBI Senior SWAT team leader and SWAT Coordinator for the state of Arizona, he was involved in every aspect of crisis management to include: command post procedures, critical infrastructure threats, dignita

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Keith retired from the FBI after serving 24 years as a Special Agent.  He was the lead investigator in the largest successful FBI extortion investigation in Arizona, and  also for the largest fugitive manhunt in Arizona (as featured on Discovery ID television program; FBI: Criminal Pursuit).  Keith was a lead investigator for one of the largest domestic terrorism undercover operations in the FBI involving threats against a Nuclear Facility.  He has successfully investigated kidnappings, interstate shipment theft, civil rights, hate crimes, gangs, domestic terrorism, murder, sex crimes, bank robberies, and fugitives.  Keith participated in over 1000 arrests in his career.  He supervised one of the largest Tactical Teams in the FBI.  As the FBI Senior SWAT team leader and SWAT Coordinator for the state of Arizona, he was involved in every aspect of crisis management to include: command post procedures, critical infrastructure threats, dignitary protection, special events, security assessments,  and hostage situations.  Keith was nominated for the medal of bravery for operations outside of the United States.  He was the Principle Firearms and Tactical Instructor in the FBI for the state of Arizona.  He has instructed firearms and tactics around the world to thousands of students from international, military, state, local and tribal police agencies. Keith was one of the first instructors in the nation to teach Active Shooter courses to police both domestically and internationally.  Keith is designated as an FBI Master Police Instructor.   He has developed and taught numerous POST schools in Arizona and is also an Arizona POST Specialist Instructor for firearms.   Prior to the FBI, Keith was an Infantry Captain in the USMC, and a deputy sheriff in Orange County, California.  Currently, as an independent contractor, Keith has provided classified and unclassified instruction related to advanced human intelligence  for the FBI for the past 7 years.   Keith is the founder of Tolhurst International, LLC a licensed Private Investigations firm that also provides security consultants, customizable training courses, and guest speaker services.

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