Harry Potter: Harry/Draco
Non-magic AU. One small town, two murders and countless suspects. Police Chief, Severus Snape, and his reluctant side-kick Draco Malfoy must discover the truth behind the crimes before anyone else loses their life. Circumstances become even more complicated when new kid in town, Harry Potter, turns out to be the biggest mystery of all.
This is a really good read, long, around 86,000 words, and filled with intrigue.