Apologies for my delay in answering your question. I hope you may have found what you're looking for in the mean time.
You can search for trusted ratings, reviews and other informatino on private investigators in your area by signing in to www.AngiesList.com and entering the search term "private investigator" into the main "Search the List" search box.
Please let me know if I can provide any additional assistance or information - including local Angie's List search results - by submitting a new answer to this Q&A.
You can also contact a neigborhood specialist at firstname.lastname@example.org or toll-free at 1-866-783-2980 (M-F 8:30-8:15 ET or Sat. from 8:30-3:00 ET.)