Actually, I suspect someone in the Zero administration wanted Strauss-Kahn out at the IMF. The Old Media ran cover. That being accomplished, he can now be released. The Old Media is running cover again.
Noone in Washington or NY really cares if the guy is a serial rapist.
If someone really wanted him out of the way...
It isn’t as difficult to place an assassin as it is a honey-pot sex scandal.
He is an aristocrat serial rapist like the Marqquis de Sade and he embarrassed the wrong people, so they create an elaborate puppet show so he doesn’t talk, get him out of it and find out what the maid knows about their other VIP filth before they have her taken out...