woww, i really don't like this.
the level where you return to the palace was really glitchy. i had victims that i dispatched respawn, and they spot the bodies. seeing i'm going for both nonlethal and ghost run throughs these glitches really ruin it and make it harder than it was designed to be.
then i had this optional mission to dispatch one guy with his own music. i left the place without killing him and now that music is stuck.