<p>How did the hunt for an American serial killer inspire DNA detectives in Kenya? </p><p>Growing up, Kenyan lawyer Kelvin Kubai admired the British soldiers stationed in Nanyuki. Now, he is on a mission to hold them accountable. </p><p>Orphan Yvonne was told her dad died when she was a baby. She hopes to find relatives in the UK. But could she get much more? </p><p>Searching for Soldier Dad is a BBC Long Form Audio production for the BBC World Service. </p><p>Please note, the image being used is for illustrative purposes only and the child depicted is a model.</p><p>Presenter: Ivana Davidovic Series producer: Josephine Casserly Sound design: Tom Brignell Executive producer: Matt Willis Commissioning senior producers: Katy Davis and Anne Dixey Commissioning editor: Jon Manel</p>