Lindsay was a 24-year-old real estate agent when she was targeted and brutally murdered. Lindsay’s father, Jeff, says he is willing to die in pursuit of justice for Lindsay, so much so, he says he once had a gang member pull a gun on him and threaten his life. Find out why Jeff says he believes police are covering up who killed his daughter. Plus, the woman who is using DNA ancestry websites to help solve seemingly once unsolvable cold cases … all from her couch.