Law & Order: UK S02E02 - Hidden

When the body of missing ten year old, Jodie Gaines, is found dumped in a skip in Euston, DS Brooks and DS Devlin are faced with two suspects, the cabbie who swears he dropped Jodie at her guitar lesson and the guitar teacher who claims she never arrived. Determined to deliver justice to Jodie's grieving parents, they follow the scientific evidence to a third suspect with no prior connection to Jodie. Which of the three men is lying? Did Jodie's killer snatch her at random? Or is there a more sinister reason behind the schoolgirl's kidnap?