Confidential Private Investigation Services in Charlotte, North Carolina At Audi Investigations, we specialize in providing professional, discreet services for marital issues, child custody cases, cohabitation inquiries, locating individuals, background checks, and more. We don’t just claim to be the leading private investigators in Charlotte, North Carolina—our results and dedication speak for themselves. Rest assured, all investigations are handled with 100% confidentiality and the utmost professionalism. Contact us today to find out how we can help.