Ver Cuevana3. The only known film record of the mass march and meeting held in Detroit on Feb. 4, 1932, against hunger and unemployment. Also shows the dramatic demonstration by workers at the Ford auto plant in River Rouge, Michigan in March of 1932, which ended with a violent attack by Dearborn police and Ford Company guards on the crowd with clubs, tear gas and guns which killed four young men. These deaths set off a wave of protest across the country.