I believe that Michael was 95% certain that Roth was the perp when he called on Frankie. The emotional outburst, I think, was a test to see Frankie's reaction. But the real test was, "Settle these problems with the Rosatos." Had Frankie declined, Michael would have been suspicious.
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.
