A psychiatric report on John Cowell was expected to be discussed in court today, but the case was postponed to next Friday.
RELATED: Father of BART stabbing victim Nia Wilson questions alleged killer's mental health delay
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Prosecutor Butch Ford explained outside of court, "We just continued it until next Friday so we can discuss the report because we just got it today."
The defense attorney also asked the judge to keep the report under seal, calling it personal. The judge did not address the request.
Cowell is accused of stabbing 18-year-old Nia Wilson to death last summer at the BART Macarthur Station.
Police say the attack appeared to be random, that there was no motive.
RELATED: Family of Nia Wilson files lawsuit against BART
Nia's family believes it was racially motivated and wanted the case to move forward today.
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"It's frustrating. I wish they could move on with this case, this back and forth is um, very emotional. To be incompetent you don't get to choose a color. I think the only problem Mr. Cowell has is being a coward and a racist because when you are crazy you don't pick and choose colors. That's all I have to say," said Ansar Mohammed, Nia's father, outside of court.
If convicted, Cowell could face the death penalty. Prosecutors have not said whether they will seek the death penalty.
See more stories and videos on the Nia Wilson case.