It was the night before their high school graduation from Snider High last year when best friends, Jaylen Murray and Jayden Cosme, went over to Uncle Laron Rosse’s home for a game of spades. Unusually, however, the night turned violent and Murray shot and killed the uncle he adored.  After the homicide, shock went through the close knit family, their friends and stunned their high school principal, Chad Hissong, who spoke at Murray’s sentencing Thursday in Allen Superior