Here are two other forums worth checking out, regarding accountability of child and family investigators:
(1) newbielink:http://www.divorcesource.com/ubbthreads/showflat.php?Cat=0&Number=129118&Main=28997 [nonactive]
(2) newbielink:http://childcustodyattorney.com/childcustodydiscussion/viewforum.php?f=7 [nonactive]