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Posted at 06:09 PM ET, 05/18/2012

Report: Michael Davis tested negative for drugs when arrested

The man charged in a series of hammer attacks in the District tested negative for drugs at the time of his arrest, according to a report released Thursday.

An unidentified witness had told D.C. homicide detectives that Michael W. Davis, had a “history” of using PCP. The report, completed by a psychologist from St. Elizabeths Hospital, said Davis denied having a history of alcohol or substance abuse.

Davis, 19, is charged with one count of first-degree murder in the April 24 slaying of Gary Dederichs, 66, a Denver tourist. He is also charged with two counts of assault in separate attacks on two other people in Northwest’s Petworth neighborhood.

The St. Elizabeths staffer spent about four hours with Davis after he was arrested April 28, writing that Davis was not competent for trial and sought more time to determine whether his condition changes with medication or therapy, D.C. Superior Court Judge Robert E. Morin said at a May 11 hearing while reading from the report.

Morin released the report, which had been sealed, on Thursday.

In the report, the psychologist wrote that Davis exhibited “little energy or excitement” during the interviews and often gazed off or gave one- or two-word answers to questions.

Davis told the psychologist he attended a special education school in Baltimore and had two more years left.

When Davis was charged with Dederichs’s murder, a detective wrote in court documents that a witness told authorities Davis had a history of PCP use and had sought to purchase a gun.

The next hearing for Davis is scheduled for July 13, following further examinations at St. Elizabeths to determine Davis’s competency.

Nearly a year before the attacks, a D.C. Superior Court judge ordered Davis to undergo a psychiatric evaluation, court papers show. The documents do not indicate whether Davis displayed any violence at the time but said he suffered from “auditory and visual hallucinations.”

Schizophrenia and “borderline intellectual functioning” were diagnosed preliminarily, according to the papers.

Davis’s older brothers Vernon and Vontae Davis play for the National Football League’s San Francisco 49ers and Miami Dolphins, respectively.

By  |  06:09 PM ET, 05/18/2012

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