Complex sentence: The movie is based on the true events of the 2007 murder of English student Meredith Kercher in Perugia, Italy, along with the subsequent arrest and conviction of American student Amanda Knox for the murder.
Split into simpler sentences: The movie is based on the true events of the 2007 murder of English student Meredith Kercher in Perugia, Italy. And the subsequent arrest and conviction of American student Amanda Knox for the murder.