>> reporter: prosecutors claim four ring leaders, including an 89-year-old pension consultant, coached first responders to appear disoriented in psychological evaluations. more than 100 police officers and firefighters lied. about half of them blaming 9/11 for their disability. but investigators say photographs, video and postings on social media revealed the defendants don't appear to be disabled despite their claims they could not use a computer, could not drive, could not shop. former police officer glenn lieberman, shown here on a jet ski, received $175,000 over four years after reportedly saying he couldn't go outside. >> i can only express disgust at the actions of the individuals involved in this scheme. >> reporter: there is anger among the families of the heroes who died on 9/11. >> the firefighters and police i know were digging on the pile right after 9/11 to rescue and then recover. and many are dying today from