A recent Premont High School graduate was shot and killed just days after walking the stage at his graduation ceremony.The community of Premont is mourning the loss of Librado Telles Junior, a 16-year-old who was fatally shot Sunday, May 24, at a home on the 600 block of Southwest Eighth Street, according to Jim Wells County officials.Friends of Telles, who was known to many as "LJ," say his loss is being felt across Premont.Neighborhood News Re…