Olaf, under the terms of the EAW Sweden could not release him to the USA for any reason; he could only be in Sweden on account of the allegations made against him. By fleeing to the UK he put himself in greater jeopardy, since Tony Blair gave the US a bend over, anything goes agreement. What happened is this; the police in Sweden advised his legal counsel that they intended, per Swedish CJS rules, to interview and then charge him. His counsel advised him. He fled to the UK, and the rest is history.