He comes in out of nowhere after the Tahoe shooting and is joined at the hip with Michael until he's killed in the hospital in Havana.

--What was his connection to Michael so that Michael immediately trusted Bussetta with his life?
--Why didn't Michael use Rocco and/or Neri?

Your thoughts?

Ntra la porta tua lu sangu � sparsu,
E nun me mporta si ce muoru accisu...
E s'iddu muoru e vaju mparadisu
Si nun ce truovo a ttia, mancu ce trasu.