An Alton man has been sentenced to 57 years in prison after being convicted of first degree murder earlier this year. 22-year old Marcus A. Baldwin of the 1000 block of Alton Pointe was convicted of first degree murder and two counts of aggravated discharge of a firearm in November following the July 2012 murder of 19-year old Dantavier Thompson.

Circuit Judge James Hackett sentenced Baldwin, Friday, to 20 years for first degree murder, with an additional 25 years attached to the sentence because a gun was used in the crime. Baldwin will also serve the minimum six years for each of the counts of aggravated discharge of a firearm. Baldwin will be required to serve 100 percent of the murder sentence and 85 percent of the sentence related to the firearm charges.

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