The group 's most infamous act took place in 1978 , when the second groups of the BR , headed by Mario Moretti , kidnapped the former Christian Democrat Prime Minister Aldo Moro , who was negotiating a '' compromesso storico '' , or " historic compromise " , with the Communists . The kidnappers killed five members of Moro 's police escort , and murdered Moro himself 54 days later
kidnapped
Kidnapping of Aldo Moro
Red Brigades