The DCI Jones Casebook: Raymond Francis Collins — Kerry J. Donovan

The Ray Collins Case - A novelette in 15k words to introduce Detective Chief Inspector David Jones: Birmingham, England, a sunny day in the city park. Children play, adults stroll - and a man lies dead in a pool of blood. His terrified fiance screams for help. The assailant smiles, waves goodbye and strolls away into the trees. DCI Jones, together with his protege, Sergeant Phil Cryer are called to investigate the most difficult of crimes - an apparently motiveless and random attack. Hampered by a lack of resources, Jones and Cryer have to act quickly to prevent a murder spree.