- The US and Italy brought an extradition treaty into force in 1984
- It obliges each country to extradite anyone charged with or convicted of an extraditable offence by a jail sentence of more than one year
- In this case, Italy must give the US specific documents to show they have "probable cause to believe" that Meredith Kercher was murdered, and Miss Knox committed the offence
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The bill is President Trump's first attempt at passing a big legislative piece through Congress.
Settled and sunny for most tomorrow, a little more cloudy on Sunday.
Residents from a town in East Sussex where the Westminster attacker once lived have described him as "intimidating" and "unpleasant".