Other photos showed street signs, leather and denim vests, hats, a blanket, posters and more, all showing the "Hells Angels" moniker or symbolism. KCSO said the investigation is ongoing ...

Former Hells Angels chapter president Pat Matter breaks ... importance of club tattoos and attire — such as the kutte and leather jacket; as well as rivalries among outlaw motorcycle clubs ...

the inner workings of the leather-clad club have always been closely guarded. A new docuseries titled Secrets of the Hells ...