South Jeffco robbery suspect pleads guilty

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David Mascarenas faces 32 to 40 years in prison for the 2016 incident

By Deborah Swearingen

The suspect in a 2016 robbery of a South Jeffco home pleaded guilty Monday to six counts, including aggravated robbery, first-degree burglary and identity theft.

David Ernest Mascarenas, 56, will return to court Dec. 19 for sentencing, where he faces 32 to 40 years in prison for robbing the home of Anthony Mott.

In January 2016, Mascarenas and David Martinez, 38, arrived at Mott’s home on South Taft Court in unincorporated Jeffco. The pair had seen items Mott listed for sale on Craigslist and stopped by under the premise of purchasing them.

Soon after they were invited into his home, Mascarenas and Martinez tied Mott’s wrists and held a knife to his neck, according to a press release from the Jeffco District Attorney’s office. They stole wallets, purses and electronics from his home and attempted to steal Mott’s vehicle. Before they could do so, Mott broke free from the bindings, grabbed his gun, went to his front porch and yelled to the men to stop. He then fired at Martinez, who later died of his injuries at St. Anthony Hospital in Lakewood.

Mascarenas fled in a 1990-era gold Mustang, but he was apprehended two days later at an apartment complex in Federal Heights. He was arrested by Jeffco deputies, who found him after he made several transactions on Mott’s credit cards.

About a month after the shooting, DA Pete Weir announced that no charges would be filed against Mott.

“It is standard procedure to conduct an investigation any time a death results from a gunshot wound,” Weir said at the time. “The Jefferson County Sheriff’s Office did a very thorough investigation in this case. … I made the decision that criminal charges were not warranted.”

Contact reporter Deborah Swearingen at dswearingen@evergreenco.com or 303-350-1042. Follow her on Twitter @djswearingen.