Welcome To Eltial Security And Private Investigation Firm Eltial is a full-service security and private investigation organization based in Boise, Idaho. Created by a former Israeli and American private investigator, secret service agent, and special forces soldier. Together with almost 80 years of combined counterterrorism, counterespionage, executive protection, and business/private security sector experience. Overall, our services are all very adaptable and tailored to our client’s individual needs. Eltial is a leader in its sector due to our extensive expertise, experience, and current performance.