The last time Shoshone-Bannock tribal member Cynder Metz saw her son, Matthew Jay Broncho, he told her he wanted to go back to school. Matt, then 34, had a bachelor’s degree in political science from …The last time Shoshone-Bannock tribal member Cynder Metz saw her son, Matthew Jay Broncho, he told her he wanted to go back to school. Matt, then 34, had a bachelor’s degree in political science from …