Confidential Investigations (Hayden): Confidential Investigations is located in Hayden, Idaho. We work hard to make sure you receive a prompt response and fast service. Your case will be handled by investigators that have over 70 years of combined experience and have proudly served Idaho and eastern Washington for over 18 years. You can be successful in your case with our services. Our services include finding witnesses and locating lost and overlooked evidence to help in your case.