BOSTON (AP) — The man accused of stabbing a woman to death inside a Massachusetts public library has been sent to a maximum security psychiatric hospital.

Defense Attorney J.W. Carney tells The Boston Globe that 23-year-old Jeffrey Yao was transferred to Bridgewater State Hospital after officials from the Middlesex Sherriff's Office told a judge he was too mentally ill to remain in jail.

Yao has pleaded not guilty to murder in the death of 22-year-old Deane Kenny Stryker. Authorities say he stabbed Stryker 20 times with a hunting knife at the Winchester Public Library on Saturday in what prosecutors have called an unprovoked attack.

Carney praised the sheriff's office for recognizing that Yao is "not appropriate for a jail, but rather a maximum security psychiatric hospital."


Information from: The Boston Globe,