What happens if someone is too ill to stand trial?

Answer 1

The trial will go on without the defendant that has been ruled to be incompetent to stand trial. This does not guarantee a non-guilty verdict. The court must decide whether the accused was insane at the time of the incident that he awaits trial for.

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...this is not true, a trial cannot be held without the accused present. This is what happens: "Persons found incompetent to stand trial comprise the largest group of psychiatric patients committed to mental hospitals through the criminal justice system in the United States. The law dictates that these patients receive short-term treatment aimed specifically at enabling them to stand trial with as little delay as possible.

Answer 2

they have to go or they're be guilty