Crime scenes can be fascinating places to visit ... Plaza and the Grassy Knoll where it happened and see a number of historical markers, informational signs and memorials. There's also a museum ...

LARGE CRIME SCENE TONIGHT ... AT THE CORNER OF DUDLEY STREET AND MOUNT PLEASANT AVENUE. THERE ARE A NUMBER OF EVIDENCE MARKERS RIGHT IN THE ROADWAY HERE. AND POLICE DO HAVE A CANINE OUT HERE ...

DNA analyses look for specific telltale "markers" in the ... found at the simulated crime scene when it wasn't actually in it. The problem worsened when the number of contributors in the mixture ...