Their conviction rate in these mafia cases is easily 90%+ and it isn't because they play fair. They play for keeps- ethical rules be damned.
They bat 900 because they get indicments when the preponderance of evidence overwhelmingly points to conviction. To state the conviction rate is 90% because they're unethical is more than slightly incorrect.
MORGAN: Why didn't you fight him at the park if you wanted to? I'm not goin' now, I'm eatin' my snack. CHUCKIE: Morgan, Let's go. MORGAN: I'm serious Chuckie, I ain't goin'. WILL: So don't go.
