GRAYSON, Ga. -- Three men have been arrested in connection with the robbery and murder of 14-year-old Grayson High student Paul Sampleton.

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Police annouced Friday, that 15-year-old Larnell Sillah would be charged with homicide for the murder of Sampleton; 18-year-old Romaine Stewart and 15-year-old Achiel Morgan were charged with armed robbery. Both, Sillah and Morgan will be charged as adults, in this case.

Authorities say Sampleton participated in a sneaker trading game and was an avid collector of high-end sneakers, nice clothing and electronics. Police believe Sampleton's belongings may have given the suspects motivation to rob him.

All three suspects are currently custody, behind held without bond.