A Casper man will serve prison time after admitting that he served as a lookout during an armed robbery.

Natrona County District Judge Catherine Wilking handed down an 8- to 10-year prison sentence for 20-year-old Shannon Mares on Thursday. In July, Mares entered a guilty plea to one count of conspiracy to commit aggravated robbery.

Prosecutors say Mares served as a lookout while 20-year-old Arthur Brown robbed Moonlight Liquors back in April.

According to charging documents, a third man, 30-year-old Pete White, supplied an automatic handgun and clothing to both Brown and Mares for the heist. He also gave both men a ride home afterward.

In September, White was given a 13- to 15-year prison sentence for his role in the robbery. Brown has entered a guilty plea and will be sentenced at a later date.

Mares was also given a boot camp recommendation on Thursday. If he completes boot camp, Wilking said she would consider a sentence reduction.

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