Blue Heron Investigations is a Minnesota licensed (872), bonded and insured Private Detective Agency specializing in surveillance and counter-surveillance. Our full service agency also provides investigative solutions for theft, vandalism and stalking problems; infidelity; child custody; thorough background checks; missing persons / witness locates; insurance and legal investigations and process serving. All inquiries are strictly confidential. We have over 20 years of private detective & protective agent experience. All major credit cards are accepted. Member of National Association of Investigative Specialists.