Killing a Stranger (Naomi Blake Mysteries)

A teenage boy is found drowned in a canal, just hours after telling his mother that he has killed a man. Rob Beresford was a school friend of Patrick's; in their shock and grief, Patrick and his mates turn for help to Naomi. It soon becomes clear that there is a complex, tragic story behind the bald facts of the case, one that has its roots in the past.