Louis Harper Pleads Guilty in 2010 Murder of ASU Student Zachary Marco

Both men charged in the 2010 murder of Arizona State University student Zachary Marco have now pleaded guilty, after Louis Eugene Harper pleaded guilty today to first-degree murder and armed robbery.

Marco was 21 years old when he was gunned down after refusing to give up his belongings in a robbery attempt while walking home from the school's Tempe campus.

See also:
-Two Suspects Held on $1 Million Bail. Cops Fear for Third Suspect's Safety
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-Mother of Suspect Says Son Didn't Do it -- Calls Tempe Police "Dogs"

Marco was the second ASU student to be murdered in 2010, about five months after Kyleigh Sousa was killed in a robbery attempt in the parking lot across the street from the school's Tempe campus. The accused killer in that case, Joseluis Marquez is currently on trial for her murder.

In Marco's case, his alleged killers were arrested about a month after his death. Harper's co-defendant, Marion Patterson III, pleaded guilty to second-degree murder in February.

A few weeks before the two were arrested, Marco's father made a plea to a national audience on CBS's The Early Show, asking that the shooter's accomplice turn himself in. In return, Dan Marco said he'd help provide legal defense to the accomplice, ensuring he'd get a deal that "allows him to see the light of day again."

Weeks later, the two were arrested, but not because either Harper or Patterson turned themselves in.

Both suspects' fingerprints were found on Zachary Marco's computer bag, which was located later near the crime scene, and text messages between Patterson and Harper discussing the shooting were found by police as a result of a search warrant.

Court records show Patterson's sentencing for second-degree murder is scheduled for tomorrow. Harper's sentencing for first-degree murder and armed robbery is set for November 7.

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