A psychiatrist who treated him in the late 1990s, Dr. David Irwin, confided to a therapist that Ivins was the "scariest" patient he had ever known...Did these comments originate with the alcohol counselor, who was herself under house arrest at the time for DUI and had a long list of old police charges, including assault and possession of drug paraphernalia?
On July 18, 2000, Ivins told a mental health counselor that he had recently planned to poison his former assistant, Mara Linscott. In addition to having cyanide, he said that he had once obtained ammonium nitrate, to make a bomb.
He saw himself, Ivins said, as an "avenging angel of death."
This piece does appear to shed additional light on Ivins' history and odd habits, but much better sourcing is needed for Willman's work to add significantly to the anthrax letters narrative.