Anthony McGowan 
Hello Darkness [PDF ebook] 

"Gripping, original, stylish" – The Times. A darkly comic noir thriller from an award-winning author"Stealthy, furtive, unhurried yet urgent… In a few seconds of efficient butchery, the chickens are dead and dismembered." Someone is on a killing spree – slaughtering the school pets with a cold-blooded savagery. The number-one suspect: Johnny Middleton. Johnny’s had problems in the past, but they’re behind him now. So what if he still sees the world a little differently? He’s not crazy and he’s not a killer. And he’s going to prove it.