Yes, in accordance with the US-Italy extradition treaty.
Yes, she should be imprisoned somewhere, but maybe in the US.
No, Americans shouldn't be extradited to foreign nations even if they're guilty.
No, she isn't guilty.
I know what Belfast is, I live right beside it. The telegraph is no better than the daily mail.
Do you have anything to explain how these 3 people came into contact within three weeks of the murder and worked together on it? Do you have any explanation for a couple of twenty something's professionally cleaning a crime scene while leaving all the evidence of the other guy? Is there any scenario that makes sense that implicates all three?