Meet Our Investigators
Explore our diverse range of successful investigations, showcasing our commitment to integrity, confidentiality, and At Comprehensive Investigative Solutions (CIS), our team is composed of highly skilled professionals with decades of experience in law enforcement, intelligence, and security. Each investigator brings unique expertise, ensuring we provide our clients with top-tier investigative services.
John Sinks
President of Operations (Sr. Partner)Retired Narcotics Detective John Sinks, with the Broward Sheriff’s, is a results-oriented professional with more than thirty-seven years of law
enforcement/security experience. John Sinks has extensive knowledge of covert surveillance and undercover operations.
FL Licenses: A19000173 – C2700864 – D1626863 – G1605835 – M3000034
Barton Brown
Retired FBI Supervisory Special AgentRetired FBI Supervisory Special Agent Bart Brown has more than four decades’ of experience in Security, Intelligence,
and Law Enforcement. He is a proven Leader, Team Builder, and Innovator.
Steven Chin
Specialist Trainer and ConsultantSteven Chin is the owner of Direct-Action Training Inc., a professional training company that provides Hand-to-hand combat, edge, impact, and improvised tool training
as well as CQB firearm training to military, law enforcement, PMC’s, and other security professionals that work in high-risk environments.
Additionally, Steven Chin currently trains the Defensive Tactics Instructors for many of the local law enforcement agencies and provides training to their
special response teams (SWAT). Steven Chin is a proud member of the Broward Sheriff’s Office elite SWAT team and SNIPER TEAM and the lead
instructor in their Training Division responsible for developing and instructing his department.
Connect with Comprehensive Investigative Solutions
Please fill out the form below, and our dedicated team will respond promptly to your inquiry. Whether you are seeking assistance with corporate investigations, domestic matters, or personal concerns, we are here to provide expert guidance and tailored solutions. Your privacy is our priority, and we ensure every inquiry is handled with the utmost discretion and care.