HOUSTON — Once surveillance images were released, it was only a matter of hours before authorities found and arrested two suspects believed to be responsible for a deadly shooting on a METRO bus in west Houston. A source close to the investigation said the suspects were identified after investigators circulated images of them to Houston-area school resource officers. Houston police identified the suspect believed to have fired the fatal shot as 17-year-old Brayden Smith, who has been charged with murder. The other suspect was identified as Patrick Scott, 18. He's been charged with unlawful carrying of a weapon, authorities said....