admitted he deliberately misdiagnosed healthy patients with cancer and profited from their unnecessary treatments faced his accusers in court. and they lashed out at the man they say ruined their lives. abc s clayton sandell has details. reporter: victims and families speaking out against a doctor they say put them in a prison of fear and pain. dr. farid fata pleaded guilty to health care fraud and other charges that he deliberately misdiagnosed hundreds of patients as having cancer to justify unnecessary treatment. sue lane spoke about her husband. after he started his treatments, he went blind. he lost all his hair. he couldn t walk. he couldn t see. reporter: at his sentencing hearing in a michigan federal court, another says her husband still suffers pain and depression. it s despicable. you filled him with poison for your cash flow. the daughter of another victim telling fata, you murdered and tortured my dad. never looked at him. i got so mad looking at him, i just lost i