DUNWOODY -- Law enforcement authorities from Cobb and DeKalb counties are currently searching a Dunwoody park for a man who could be a suspect in the slayings earlier this week of two real estate agents. Police have blocked a black Dodge Durango on Cherring Lane near Peeler Road in Dunwoody and were searching a nearby park, a nearby resident said. Authorities have not yet confirmed that the man they are looking for is the suspect in the killings of Lori Brown and Cynthia Williams but authorities have said repeatedly that they wanted to question the driver of a black Dodge...