4 killed in D.C. mansion
14 videos

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New DNA evidence found in D.C. mansion murder case
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Source: Mansion killing victim's blood on suspect's shoe
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Money trail could lead to arrests in mansion killings

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This is how a lab tests pizza crust for DNA evidence

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Police believe mansion fire suspect is in New York

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Profiler: Mansion murders ringleader arrogant, ignorant

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Report: DNA on pizza crust leads to D.C. murder suspect

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Investigators: Money a motive in mansion murders