The accuser initially told prosecutors and the grand jury she fled to the hallway after the incident and waited for Strauss-Kahn to leave, and informed a supervisor of what happened shortly after, prosecutors said.
"The complainant (accuser) has since admitted that this account was false and that after the incident in Suite 2806, she proceeded to clean a nearby room and then returned to Suite 2806 and began to clean that suite before she reported the incident to her supervisor," the letter said.
Obviously, this doesn't prove that DSK didn't rape her, but it does mean that her credibility is shot, and that's more important in this legal system.
If charges are eventually dropped, Strauss-Kahn, 62, may be motivated to bring a civil suit against New York City police officers or prosecutors in the District Attorney's office.
"He lost his position at the IMF," said Michael Joseph, an attorney who specializes in malicious prosecutions. "His economic damages are potentially huge."
He can't sue to get back his frontrunning political clout back though.