<p>One elderly victim. Two weapons. But only one person in custody.</p><p>When Margaret Thompson was killed, it felt like an open and shut case. But new evidence suggests the key suspect didn’t do it alone. </p><p>A killer could still be out there. </p><p>So why’s Professor Ruth Morgan taking a casual walk in the park?</p><p>This episode includes references to death, violence and dissection, which some listeners may find distressing. Our victim is fictional, but the science and the scientists are very real.</p><p>A Whistledown production for BBC Sounds.</p><p>Presenter: Carla Valentine</p><p>George the Pathologist: Matt Addis</p><p>The Voice: Jude Akuwudike</p><p>Producer: Kate Holland</p><p>Co-Producer and Sound Designer: Steve Bond</p><p>Executive Producer: Deborah Dudgeon</p><p>Writer: Nina Millns</p><p>Script Editor: David K. Barnes</p><p>Original Music: Aaron May</p><p>Vocals: Alyssa</p><p>Production Team: Nina Kruse, Mend Mariwany</p>