Charlie Bothuell and Monique Dillard-Bothuell are charged with torture and child abuse. A judge must decide whether there's enough evidence to send them to trial in Wayne County court.
The boy, also named Charlie Bothuell, is returning to court on Wednesday.
VIDEO: You can watch a livestream of the testimony in the video player above. Note the judge has ordered the boy's face to not be shown.
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Two weeks ago, he testified that his home was a "very terrible place" where he was beaten with a plastic pipe and forced to rise before dawn for rigorous workouts. Defense lawyers say he's lying.
Charlie, now 13, was 12 years old last June when police found him in the family's cluttered basement after a highly publicized search. His father was surprised.
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