 And both were found in the bedroom, shot to death, and a gun was found nearby. It is believed the mother, 49-year-old Cheryl Brazier, was the shooter who killed herself and her 10-year-old daughter, Shelby. Possible motive is still being determined at this time. Well, the good times at the gas pump. For all, Arizona drivers continue as prices continue to fall. Statewide average across Arizona went down by about 4 cents.