Who were the real people involved in the incident and why were they in disguise?

The incident likely refers to a historical event or specific situation involving individuals who used disguises for various reasons, such as espionage, protest, or to evade authorities. In many cases, these individuals were involved in political or social movements and disguised themselves to protect their identities or to blend in with crowds. The use of disguises often served to enhance their safety while allowing them to pursue their objectives without being recognized or apprehended. Specific details would depend on the context of the incident in question.