Human Relations Commissioners Lisa King (left) and Larry Apperson discuss the ordinances regarding unlawful assemblies during a Feb. 18 Human Relations Commission meeting.

DeKalb Police Chief Gene Lowery shows security footage from the December 2014 Black Lives Matter protest during Monday’s City Council meeting at the DeKalb Municipal Building, 200 S. Fourth St. The ordinance declares it to be a violation of city code for a person to fail to obey a command of a sworn peace officer or fail to disperse after a reasonable effort is made to advise the participants that the assembly is unlawful and must disperse.