In this July 19, 1992 file photo, a police officer walks by the charred remains of the car bomb that killed Sicily's top anti-Mafia investigator Paolo Borsellino and his bodyguards. An Italian newspaper report says the remote control to detonate the bomb that killed anti-Mafia prosecutor Paolo Borsellino in 1992 was hidden inside the intercom at his mother's Palermo residence. Borsellino and his bodyguards were killed in the blast from a car packed with more than 160 pounds (70 kilograms) of plastic explosives outside his mother's house. It came just two months after another anti-Mafia prosecutor, Giovanni Falcone, was killed. (AP Photo/Alessandro Fucarini, File)