Thursday marks the anniversary of one of Lubbock's worst murders.
On this date three years ago, Tammy Cooper and her three children were found murdered in their Windcrest Estacado apartment at 512 North MLK. All four died from blunt force trauma and the use of sharp instrument.
NewsChannel 11 will revisit this case and let you know where this investigation stands, tonight on NewsChannel 11 at Five, Six, and Ten.
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