SIOUX FALLS, S.D. — It’s hard to know when things went bad for Mary Ann Giebink.

It wasn’t in seventh grade, when she took her first drink with a friend on New Year’s Eve. It wasn’t in eighth grade, when she tried marijuana after choir practice. It wasn’t when her brother murdered a Sioux Falls grocery clerk, or afterward when as a young lawyer Giebink became a magnet for clients with many needs but little money.