PORTLAND, Ore. (AP) — A Portland man indicted on dozens of sex-crime charges has pleaded not guilty.

Thomas Oliver entered the pleas at his arraignment Friday and received a court-appointed attorney. Bail was set at $5.4 million.

Portland police have not released many details about the case. Sgt. Pete Simpson says it involves six women or girls and they include sex trafficking victims, domestic relationships and friends of the 35-year-old man.

A Multnomah County grand jury secretly indicted Oliver last month, and it was revealed Thursday. He's charged with rape, sodomy, sex abuse, kidnapping and using a child in a display of sexually explicit conduct.

Court documents show the oldest allegation dates back to 2007 and the most recent incident was in March 2016.

Oliver has two prior arrests for patronizing a prostitute.