03/18/2010 05:12 am ET Updated May 25, 2011

Colorado Judicial District Prematurely Dismissed Hundreds Of Criminal Cases

ARAPAHOE COUNTY - 9Wants to Know has learned one of 285 warrants canceled by mistake represented the best chance to catch a wanted man before his recent alleged involvement in a drunk driving crash that killed a grandmother.

Alberto Alvarado-Barojas is charged with vehicular homicide in the September 14, 2009 death of Barbara Barben of Denver.

The 69-year-old grandmother of three was crossing West Hampden Avenue at South Poplar Street around 7:30 a.m.

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