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Rex Heuermann expected to plead guilty in Gilgo Beach serial killings. Here's what you need to know.

Mayor Michael Bloomberg was in Washington Wednesday where he announced a campaign to repeal "stand your ground" laws across the country.
The law, which allows someone to use deadly force if they feel threatened, is at the center of debate surrounding the fatal shooting of Trayvon Martin in Florida.
New York State does not have a stand your ground law.