About TRSG
Three Rivers Security Group is a Fort Wayne–based security and investigative company focused on providing professional, accountable, and highly visible protection services for retail, commercial, and high-risk environments.
The company was founded by Robert Geiger, a sworn law enforcement officer with more than a decade of policing experience, 17 years of military service in the Army National Guard, and extensive experience in retail asset protection and private security operations.
Our mission is simple: provide reliable security solutions that reduce risk, deter criminal activity, and support the safety of businesses, employees, and customers.
Three Rivers Security Group offers off-duty police security, armed and unarmed security services, investigative support, and risk-focused consulting tailored to each client’s operational needs.
Law Enforcement Experience
More than a decade of sworn law enforcement experience providing professional incident response, public safety, and risk management.
Military Leadership
17 years of Army National Guard service with leadership and emergency response experience in high pressure environments.
Retail and Asset Protection Expertise
Extensive experince working in retail and loss prevention envorments focused on deterrence, safety, and shrink reduction.
Professional Security Solutions
Reliable off-duty police, armed security, investigative support, and customized protection services for commercial clients.
