I'm watching you

Who and what brutally killed a promising girl, and even immediately after it arranged the party? Many believe the killer is her boyfriend, jealous, domineering, have a big problem with self-control. But the loud shouts about his innocence, and the evidence of his guilt obvious.Help to find the culprit may be the accidental witness of a crime. However, the witness this unusual: he tells the truth, because it is not able to lie, but says that to establish an accurate picture is extremely difficult...