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16-year-old Mt. Vernon juvenile sentenced to 28 years as an adult in connection with fatal shooting

By Austin Williams Nov 20, 2024 | 2:00 PM

A 16-year-old Mt. Vernon juvenile has been sentenced to 28 years in prison in connection with the January shooting death of a 16-year-old Mt. Vernon girl.

Decoleis Dunn-Harris had earlier pleaded guilty in Jefferson County Court to an armed violence charge in connection with the death of Julissa Mercedes Laslie.   Armed violence through the discharge of a firearm and aggravated battery with firearm charges were dropped as part of the plea.

Dunn-Harris will have to serve at least 85 percent of the sentence.   The judge issued a finding of great bodily harm before handing down the sentence.   When Dunn-Harris gets out of prison he will have to serve three years of mandatory supervised release.   He was also given credit for 308 days already served.  Dunn-Harris was on juvenile parole at the time of his arrest.

Mt. Vernon Police say the shooting occurred in the 1800 block of Lamar.  They responded when receiving a 911 call where all the telecommunicator heard was screaming.   Dunn-Harris was initially taken into custody for questioning after he was found with a handgun.   Leslie was taken to a local hospital where she later died from her injuries.