Was Daniel Marsh a depraved psychopath without a conscience, or was he not in his right mind when he murdered Claudia Maupin and Chip Northup? As Daniel Marsh is tried as an adult, his defense team makes the case he was legally insane when stabbing the sleeping victims. Could his medications be responsible for his actions? But the prosecution argues Daniel knew exactly what he was doing and would have harmed others had he not been caught. It is up to the jury to decide Daniel's fate as Chip and Claudia's family watches and waits. True crime. Real justice. "48 Hours" investigates the most intriguing crime and justice cases that touch on all areas of the human experience including greed and passion. "48 Hours," which premiered in 1988, has developed a rich history of original reporting and impact journalism that has helped exonerate wrongly convicted people, caused cold cases to be reopened and solved, and along the way changed lives. Subscribe to the "48 Hours" YouTube channel: https://youtube.com/48hours Watch full episodes of "48 Hours": https://cbsnews.com/48-hours/full-episodes/ Listen to the "48 Hours" podcast: https://link.chtbl.com/48-Hours Listen to the "My Life of Crime with Erin Moriarty" podcast: https://link.chtbl.com/CBSNewsMLOC Follow "48 Hours" on Instagram: https://instagram.com/48hoursCBS/ Like "48 Hours" on Facebook: https://www.facebook.com/48hours Follow "48 Hours" on Twitter: https://twitter.com/48hours Subscribe to our newsletter: https://cbsnews.com/newsletter/ Download the CBS News app: https://cbsnews.com/mobile/ Try Paramount+ free: https://paramountplus.com/?ftag=PPM-05-10aeh8h For video licensing inquiries, contact: licensing@veritone.com
