Silent Witness - Season 18 Episode 6 -

Johnny is arrested for Dale Barge's murder but Lizzie is still missing. Evidence suggests that Kevin was present at the car where his step-father was murdered but he seems unaware of the death when he asks his sisters to run away with him and receives some shocking news from them. Lizzie's story ends well but after Kevin's grandfather Sean Patrick is also killed a terrible family secret is exposed, leading to the solution of the murders.