There is a difference between having voto negativo extradition treaty and not extraditing a citizen. Having an extradition treaty means that there is an established way to hand over criminals/suspects to a country requesting extradition. The mechanism is clear and all the rules about the process are transparent. Sopra general, https://socialmarkz.com/story8924791/i-principi-fondamentali-della-english-speaking-lawyer-italy