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PHILADELPHIA (CBS) — A Southern California man has pleaded not guilty for allegedly murdering a University of Pennsylvania student in January.

Man Struck, Killed By 2 Hit-And-Run Vehicles In Tacony, Police Say

Police say Samuel Woodward murdered 19-year-old Blaze Bernstein, a gay man, in a hate crime. Woodward is accused of stabbing Bernstein to death.

blaze n bernstein Man Who Allegedly Murdered University Of Penn Student In Possible Hate Crime Pleads Not Guilty

Photo of Blaze Bernstein.

The Penn student was on winter break when he went missing after going to a park with Woodward.

Suspect Accused Of Shooting Philadelphia Police Officer Charged With Attempted Murder, Held On $3.3 Million Bail

Prosecutors say DNA evidence links Woodward to the crime.