A little more than a year after 18-year-old Michael Brown was shot and killed by a white police officer in Ferguson, Mo., Digital Ally Inc. is continuing to help the city's police department move forward. In late August, the Lenexa technology manufacturer (Nasdaq: DGLY) announced that the Ferguson Police Department is purchasing additional body cameras and in-car video systems. "Immediately after the first wave of unrest began in Ferguson last year, Digital Ally was on the ground with the Ferguson…