Jeffrey Yao, Accused In Deadly Stabbing At Winchester Library, Found Not Guilty By Reason Of Insanity

There was no jury in the case; a judge decided the verdict.

Video Transcript

- Today, a judge found the man charged with murdering a woman in the Winchester library not guilty by reason of insanity. Prosecutors say, back in 2018, Jeffrey Yao randomly attacked 22-year-old Diane Stryker, killing her. Three experts found he did not have the capacity to understand his actions.

- I find that Mr. Yao is mentally ill, that he is not a proper subject for commitment to any facility of the department. And that failure to retain Mr. Yao in strict custody would create a likelihood of serious harm. Accordingly, I will allow the Commonwealth's petition for commitment to the Bridgewater State Hospital.

- There was no jury in this case. David, a judge decided the verdict.