Palermo, 9 August (LaPresse) – Seven people are under investigation for the suicide of Stefano Argentino, the 27-year-old who confessed to the murder of Sara Campanella, the student stabbed to death on the street in Messina on 31 March. On 12 August, the public prosecutor will appoint his consultant to perform an autopsy on the body of the young man, who took his own life by hanging himself in Messina prison on Wednesday 6 August.