Amuso and Casso installed D'Arco as he was Casso guy. Many say D'Arco was only a force cause Casso was behind him, but then Al got big ideals and that was when the Lucchese administration decided D'Arco should go. In 70s and 80s D'Arco was a pushover and of it was not for Casso, he would have been killed along time ago. Al was an errand boy and was privy to what Casso was up to.