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Areas of Expertise
  • Homicide and Drug investigation

  • Crisis/Hostage Negotiation

  • Workplace Investigations


Toronto, ON

Office - Phone


John Braybrook

Senior Investigator

John Braybrook is currently a Senior Investigator with ISN and comes with the experience of over thirty years law enforcement which included considerable experience in the area of homicide and drug investigations as well as internal investigations.

During his tenure as a police officer he was proficient in the area of Confidential Human Source cultivation and management. He was a trained crisis/hostage negotiator. He instructed and lectured investigators in the province and across Canada and the US in the areas of homicide investigations, drug and undercover operations and hostage negotiations. He was an instructor/coordinator with the Criminal Intelligence Service Ontario (CISO).

John has extensive experience in the area of witness/complainant/suspect interviewing as well as other investigative attributes he brings to ISN.

During John's tenure with ISN he has been called upon to conduct a wide range of investigations including Workplace Violence/Harassment, Criminal Case Review along with other specialized investigations.

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