TAMU-SA to honor life of 19-year-old student killed in Kyle TAMU-SA to honor life of 19-year-old student killed in Kyle It's been five months since 19-year-old Christopher Trevino was shot and killed while protecting his sister in Kyle. KYLE, Texas - It's been five months since a 19-year-old college student was murdered while protecting his sister in Kyle. A 15-year-old boy remains in custody for the death of Christopher Trevino. Texas A&M-San Antonio is now planning to honor Trevino's life. "I just miss his presence, his smile, him telling me he loves me every day," said Christopher's mother, Ivory Trevino.