Kathy Henderson (shown here stealing campaign signs in 2010). Image courtesy of Capital City Diner
Titan of Trinidad has some video that you will want to watch. The video shows Kather Henderson's behavior on election day, and documents allegations of electioneering beyond posted boundaries (and even within the polling place itself). You can also see her harass passersby, and berate an officer who responded from 911 calls made about Henderson. You can read more about Henderson's campaign antics in this Titan of Trinidad post (which includes a scan of a campaign flyer distributed by Henderson).
And the here's a story from the Washington Times about Henderson's election day exploits. From the article:
Police responded repeatedly to the Browne Education Campus in Northeast after a series of confrontations involving ANC candidate Kathy Henderson, who is facing off against Mrs. Glymph in Ward 5.
“She started attacking people, running up to them and harassing them,” Mrs. Glymph and several others said, showing a video depicting Ms. Henderson walking towards a man who appeared to say, “Get away from me.”