The gunman who killed at least 58 people at a California church and a San Francisco mosque last weekend was apparently obsessed with mass shootings and had become increasingly agitated in recent months, according to a psychiatrist who treated him.
A psychiatric evaluation of the gunman, Frank Thomas, revealed that Thomas had suffered from “symptoms of psychotic depression,” the San Francisco Chronicle reported on Sunday.
The assessment found that Thomas suffered from hallucinations, paranoia, delusions and “anorexia” as well as “extreme paranoia.”
“He was very obsessed with the mass shootings,” said Dr. Richard Ochs, a professor of psychiatry at the University of California at San Francisco.
“I think it’s really important to understand that this is a psychotic condition, that there is nothing normal about the guy, and that he was a psychopath.”
The assessment also noted that Thomas “has a history of mental illness and substance abuse problems.”
According to the report, Thomas “lacked empathy for others and showed little understanding for others.”
It is not known whether Thomas had a history with mental health problems.
A former associate of Thomas’s, who was arrested in June, told the newspaper that he had recently received a “lifetime commitment” from Thomas.
The psychiatrist who examined Thomas also noted his “severe” anger and paranoia.
The Associated Press does not usually name people who have mental health issues, but said the psychiatric evaluation indicated that Thomas’s “severe psychotic disorder” was a symptom of his schizophrenia.
It is unclear what motivated Thomas to kill the victims.
The Associated Press reported that Thomas has said he was motivated by his hatred of the U.S. government.