GANGSTA CHRONICLES STREET DOCUMENTARY - "Once Upon A Time In Brooklyn" The Godfather: Danny Diamondz (Featuring the Marcy Posse) In the early 80's Danny Diamondz aka. Danny Dan was one of the most prominent drug dealers in all of New York, Bedford Stuyvesant to be exact. Him and his brother along with the Marcy Posse controlled the Marcy Projects in Brooklyn, the home of famous rapper Jay-Z. The men who were around and apart of the team at the time of the Marcy Posse are here to talk about Danny Dan, the Marcy Posse, and their affiliation with Roc-A-Fella's king, Jay-Z. Also, Jay-Z's long-time friend Dehaven talks about Jay-Z and reveals untold secrets about his relationship with Jay-Z. Hundreds of thousands were made. The Murder Rate Grew. Prison Sentences were handed out, and Friendships were broken. This is the official untold story of Danny Diamondz and the Marcy Posse.