We never seem to get enough information in the hours and days immediately following a horrific crime, but after a few days or weeks have gone by, usually after the story has faded from the front page, the necessary backstory finally comes out. First, an “All Points Bulletin” on May 12 alerted the state of Texas that Gonzalo Lopez, a convicted murderer serving a life sentence, had just escaped from custody during a transfer, by breaking out of his transportation cage and stabbing the driver of the prison bus. He remained on the run for three weeks, using up precious...