Warner believes a police report that questions the truthfulness of his accuser should qualify as "substantial."

Jim Vigness, the Grand Forks police detective who investigated the case, said he talked to the alleged victim after the warrant was issued, but wouldn't comment about what she said. It remains an open case, although it's unlikely she will face extradition to North Dakota, he said.

Asked about the UND hearing that resulted in Warner's expulsion, Vigness said, "All I can tell you is that the proceeding at the university took place before my investigation."

Boyd said he listens to "every minute" of a hearing, which is taped, and reviews "every piece" of information provided by the student relations committee. He said he also makes it a point to meet with students who are appealing a sanction.

"I'm not obligated to talk to the person who is appealing to me, but I can't think of a circumstance when I have not," Boyd said.

Warner said he never talked with Boyd.

"I don't know what he looks like," Warner said.