WaPo reports.

The investigation into Dolezal began in March of last year when an investigator from the Washington Department of Social and Health Services learned she had written a book that had been published.... At this time, Dolezal had been reporting a monthly income of less than $500.... In total, between August 2015 and September 2017, Dolezal’s bank statements showed she had deposited nearly $84,000, documents said. Investigators believe the money came from her book, speaking engagements and selling art, soaps and handmade dolls....