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Court Documents Show Teen Suspect's Troubles Through Custody Fight

DAVIS (CBS13) — Court documents reveal a teenage double-murder suspect has a history of mental illness.

Daniel Marsh, 16, is facing first-degree murder charges in the brutal deaths of elderly couple Chip Northup and Claudia Maupin. The two were found stabbed to death in their Davis home.

Charges against Marsh also include enhancements for lying in wait, torture and depravity.

While a motive may never be known, CBS13 obtained court documents that show a list of the suspect's apparent mental issues.

The details are part of family court documents as Marsh's parents battled each other recently in a bitter divorce and custody fight.

In one filing, Daniel Marsh's father, William, tells a judge his son was reviewed and found to be severely depressed and anorexic. The filings go on to state he would spend six weeks in a Berkeley hospital.

But things apparently got worse.

His mother disclosed to the judge that, just four months before the April murders, Daniel agreed to a voluntary psychiatric hospitalization in Sacramento for two weeks, stating he was self-medicating with alcohol, among other problems.

Attorney Kevin Adamson says depending on the evidence, there could be an insanity defense.

"There would be experts called at the trial to give expert opinions as to whether he knew right or wrong at the time of the crime," he said.

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