Dinolt Becnel & Wells Investigative Group, a private investigative firm based in Baltimore and Washington, D.C., specializes in litigation support for attorneys. From process service, to interviewing, to surveillance, to testifying, our skilled private investigators are experts at gathering and analyzing evidence to help build successful cases. We are ranked Best Private Investigations Provider by both The National Law Journal and The Legal Times. We handle the investigative legwork so you can practice the law.