The Chamber joined with the other defendants in the immediate aftermath of the Massacre to impose martial law and coordinate the detention of the Massacre victims in internment camps, only releasing them to work if sponsored by white employers. The City, County, the Sheriff, and the Chamber of Commerce tried illegally to block Black Tulsans’ attempts to rebuild the Greenwood District. In the Decades following the Massacre, these defendants sought to quash any mention of the Massacre, fearing the impact it would have on the City and region’s reputation.