Supreme Court Rules Border Patrol Agent Can't Be Sued for Killing A Mexican Teenager Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email The case involves U.S. border patrol agent Jesus Mesa, Jr., who fired at least two shots across the Mexican border, killing Sergio Adrian Hernandez Guereca, 15. ( AP Photo ) Produced by GBH, PRX and WNYC Studios