arrests. and now tonight, a new video emerging. and the new surveillance coming in tonight of the grandmother accused of two murders, stealing an identity. word coming in tonight of the reward. good evening, as we come on the air here in the west tonight. and we do begin with that sad news coming in now, former first lady barbara bush has died. as i mentioned, the wife of one president, her son then became president, too. america loved her fighting spirit. mrs. bush died at home, surrounded by her family, after deciding to no longer seek medical treatment. her health was failing, but her family says barbara bush's spirits and grace remained strong until the very end. here's abc's cecilia vega. >> reporter: she was the matriarch of an american dynasty. famous for her fierce loyalty -- >> i hated it when anyone criticized my brilliant husband, and i was furious when they criticized my son. >> reporter: and her razor sharp