The judge in the competency hearing for Eric Lau has declared that the testimony of three expects is "inconclusive" and sent Lau to a psychiatric hospital for 90 days for further observation.
Lau is accused of killing his neighbor, a popular teacher, in 2009.
The judge said that after the 90-day observation a new hearing will be held to determine if Lau is competent to stand trial.
Competency hearing continues for man accused in teacher's killingRockland DA talks drug ring bust, Eric Lau, community prosecution