Penny Bell appeared to have it all. A successful business, a beautiful house in the countryside, a loving husband and children. But on a June morning in 1991, Penny was brutally murdered in broad daylight in a West London car park.

Why would anyone want to do this to Penny? And how could they have gotten away with it? In the second episode of the Case Remains podcast, we explore this unsolved murder that has baffled police for almost 30 years.