SPOKANE, Wash. -- Human trafficking is a "considerable concern" in the Spokane area, contributing to teenage prostitution, forced labor and other ills, according to a new study. Prostitution accounts for the largest form of human trafficking in the region with an estimated 500 adult women and an unknown number of men and underage boys and girls providing sex for money through escort businesses, massage parlors, drug houses and on the streets, the study found.

One of those surveyed in the study said about a third of those selling sex in the Spokane area had been sold into prostitution by their mothers.

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