Records show Casey Anthony is starting private investigation firm in West Palm Beach Paperwork filed with the Florida Division of Corporations State records show that Casey Anthony has filed documents to start a private investigation firm in South Florida. Anthony, who was acquitted of killing her 2-year-old daughter, Caylee, nine years ago, filed the paperwork with the Florida Division of Corporations in mid-December. and last updated 2020-12-31 18:37:54-05 WEST PALM BEACH, Fla. â State records show that Casey Anthony has filed documents to start a private investigation firm in Palm Beach County. Anthony, who was acquitted of killing her 2-year-old daughter, Caylee, nine years ago, filed the paperwork with the Florida Division of Corporations in mid-December.