Man pleads guilty to second degree murder in RTD station killing

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Stabbing investigated at Colfax and Federal in Denver. April 9, 2013

A Fatal stabbing investigated at Colfax and Federal in Denver on April 9, 2013.

DENVER — The suspect in a fatal 2013 stabbing on a Denver bus pleaded guilty to second degree murder on Thursday.

Isaiah Moreno, 21, confessed to killing Esteven Ruiz-Cisneros, 39, on an RTD bus at the transfer station at West Colfax Avenue and Federal Boulevard on April 9, 2013. The transfer center shut down for hours following the attack.

Sentencing is set for May 2. Moreno faces up to 40 years in prison.