Italian Carabinieri Hold Press Conference On Killing Of Police Officer In Rome

ROME, ITALY - JULY 30: The Commander of the Carabinieri Investigation Team, Colonel Lorenzo D'Aloia shows a printed picture of the knife used in the murder of Carabinieri's officer Mario Cerciello Rega give a press conference on the investigation of the murder of the Carabinieri's officer Mario Cerciello Rega on July 30, 2019 in Rome, Italy. Carabinieri's officer Mario Rega Cerciello died after being stabbed eleven times as he and a colleague tried to arrest two men following a complaint for theft. Two US teenagers were arrested over the police officer's murder and are being held at Rome's Regina Coeli prison. (Photo by Stefano Montesi - Corbis/ Getty Images)