Casey Anthony private investigation firm launch. Pictured former accused child killer with toddler daughter, Caylee. Casey Anthony private investigation firm launch. Pictured former accused child killer as she awaits the jury’s verdict. Casey Anthony private investigation business launches in West Palm Beach, Florida following former accused child killer moving in with famed PI, Pat McKenna. Will you be hiring her to help you solve/beat your big case? A former accused child killer and Florida, public records show. Paperwork for a new company called ‘Case Research & Consulting Services LLC’ was filed with the Florida Division of Corporation under Anthony’s name on Dec. 14.