Trial for 6th escapee may be challengeInmate was said to be lookout, driver when Irving officer was shot10:24 AM CST on Monday, November 10, 2003By ROBERT THARP / The Dallas Morning News Five death-penalty trials have come and gone with the same outcome since members of the so-called Texas Seven prison gang were captured in the Colorado Rockies in January 2001. As the last of the surviving gang members faces trial Monday, observers say the case against Patrick Murphy Jr. could be the most challenging yet for prosecutors seeking a sixth death-penalty conviction. In the capital murder trials so far,...