What's the name of this novel?

It's about an american girl who travels to Italy with her father. Her dad ends up dieing in their car and two men come and drive her to their place. they do it because their sister's daughter died. They give her some old clothes to wear and stuff. After a while her picture starts showing up in newspapers and the men get worried and i think they were planning to kill her or something so they wouldnt get caught. the woman tell the girl to escape.