On May 9th Leggio and two of his top shooters-Giovanni Ruffino and Calogero Bagarella, along with the Provenzano brothers-ambushed Streva and some of his men at dawn, as they walked along the narrow, rubbish-strewn Via Scorsone, a street where members of the Riina and Bagarella families lived, in squalid houses, which often stabled animals such as goats, pigs, sheep and donkeys on the ground floor