Daniel Hernandes shot to stardom as Tekashi 6ix9ine, or Tekashi69, after the release of the video for his song "Gummo." His unraveling came just as quickly as his ride to fame. Shawn Setaro, who wrote the book on Tekashi, unpacks his story, one that involves shootings in public, a kidnapping by estranged gang members and, notoriously, the near universal blacklisting of him for informing on members of the Trey Nine Gangsta Bloods.