9. We recommend that the police pay particular and continuous attention to the so-called "athletic clubs" on the South Side, which we have found to be a fruitful source of race conflict, and that when race conflict arises or is imminent the members and meeting places of such clubs be searched for arms and that, if deemed necessary, such clubs be closed.
THE BARRETT MURDER
10. We commend the police for the prompt and effective action in the Barrett murder case, September 20, 1920, which allayed public alarm and averted a serious clash.
To the City Council and Administrative Boards, the Park Boards and the Municipal Bureau of Parks, Playgrounds, and Bathing-Beaches:
CONTROL OF FIREARMS
11. We recommend that the most stringent means possible be applied to control the importation, sale, and possession of firearms and other deadly weapons.
SUPERVISION OF "ATHLETIC CLUBS"
12. In order to facilitate police supervision of so-called "athletic clubs," we recommend that all such clubs be required to file with the city clerk statements of their purposes and, at stated intervals, lists of their members and officers, with their addresses.
SANITATION
13. We recommend that the authorities exercise their powers to condemn and raze all houses unfit for human habitation, many of which the Commission has found to exist in the Negro residence areas on the South and West sides.