Updated 10/22/11 at 7:40 a.m.

CHICAGO (STMW) — The gang member who murdered gifted DePaul University Francisco “Frankie” Valencia Jr. was sentenced to 90 years in prison Friday.

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Narcisco Gatica gunned down Valencia, 21, and injured Valencia’s friend after he and others were asked to leave a Halloween party, in the 1700 block of North Rockwell two years ago.

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Gatica’s co-defendant and fellow Maniac Latin Disciple, Berly Valladares, was sentenced to 70 years in prison for the murder in June.

Valladares had supplied Gatica, 21, with the TEC-9 semiautomatic handgun used in the shootings, according to Cook County prosecutors.

Valencia’s family said he dreamed of running for office so he could serve as a voice for Latino youth. Valencia was set to receive the Lincoln Laureate Award when he was slain.

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2010. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)