Jack asks to be taken to the crime scene and is taken to the place they found the body. He meant the disposal or dump site. Since they have established that the body was dumped, the one place they can be absolutely sure was not the crime scene is the place the body was found.
An Albanian who lives in Greece would not say use the word finagle.
In this context it is an American English word. The English meaning has a more fraudulent implication than Dushku meant by by his comment.
Paul Stavros's passport depicts his name as 'Starvos' at the bottom of the page of the passport.