Complex sentence: Rosenberg has a very poor success rate at trial and is referred to as a "bonkers" who could "defend an innocent man all the way to death row" stated by Kent Paul and later befriends Rosenberg.
Split into simpler sentences: Rosenberg has a very poor success rate at trial and is referred to as a "bonkers" who could "defend an innocent man all the way to death row" by Kent Paul. Paul also states that "that guy could defend an innocent man all the way to death row," and later befriends Rosenberg.