rome italian judge rule tuesday convict mobster son late boss salvatore toto riina detain year secure labor unit judicial source say less two weeks father die leave sicilian mafia future uncertain convict mafia membership 2004 sentence nearly nine years prison release parole giuseppe salvatore riina 40 police surveillance northern town padua criminals deem dangerous society likely re-offend send secure unit know workhouse italy aim rehabilitate society manual labor riina case investigators rome find contact drug dealers prompt prosecutor padua ask hold tight security source say riina decline comment lawyer decision yet take italy five workhouses riina send source say judge hand one-year term rather three years padua prosecutor request state television last year riina say happy childhood fugitive father live assume name toto riina die nov. 17 hospital parma italian city serve 26 life sentence murder commit 1969 1992. nickname boss boss toto riina change structure sicilian mafia concentrate power hand savagery prompt hundreds mobsters testify allow magistrates uncover secrets cosa nostra prosecute leaders son sicilian mafia boss get year 'workhouse