COPS in San Antonio, Texas have nabbed the thug they say murdered one of their own. On Sunday afternoon, Mark Anthony Gonzales, 41, was arrested at his home in connection with the murder of Sgt. Kenneth Vann. On May 28, Vann was murdered in cold blood as he sat at a traffic light. The triggerman came up beside him and blasted away. Vann didn't even have time to draw his weapon.The 48-year-old veteran's slaying stunned San Antonio as it appeared to be for no good reason










