Built on Experience. Driven by Integrity.
Attaché Investigations is led by a retired FBI Special Agent and seasoned security professional who brings decades of federal and international experience to every case. With a deep commitment to truth, discretion, and client protection, Attaché provides investigative and security solutions trusted by professionals across industries.
Our Core Values
At Attaché Investigations, our core values of fidelity, bravery, and integrity guide everything we do. Integrity means we operate with honesty, discretion, and unwavering ethical standards, no shortcuts, no compromises.
Timothy G. Denny
Chief Executive Officer & Founder of Attaché
Timothy G. Denny is the founder and CEO of Attaché Investigations, LLC, a firm specializing in investigations, security services, and executive protection. He brings over two decades of experience as a Special Agent with the FBI, where he served on high-level task forces in New Orleans, St. Louis and internationally, including counterintelligence domestically and organized crime in and around Budapest, Hungary. Throughout his career, Mr. Denny has led complex investigations involving espionage, fraud, organized crime, and violent offenses, and has provided expert testimony in both federal and state courts.
Steven C. McMurtry
Attaché Investigations Associate
Steve McMurtry is the founder and director of ENDURE, LLC, a service-disabled veteran-owned security consulting firm. A retired Navy SEAL with 23 years of service including assignments with SEAL Teams 2, 4, and the elite SEAL Team 6. He has led global operations in counterterrorism, counternarcotics, maritime security, and executive protection. After military retirement, he served as a Federal Supervisory Security Specialist for the U.S. Navy, overseeing security programs across 170+ Marine Corps facilities. With over 33 years of experience, Mr. McMurtry is a certified expert in physical security, investigations, emergency management, and intelligence. He holds a degree in Psychology, a postgraduate fellowship in Strategic Intelligence, and remains a committed veteran advocate, family man, is a believer in Christ and active in his church faithfully pursuing the life of a servant leader.
