John nods, studying the torn limb closely. "I'm happy to help if I can, officers. You're right, this is above and beyond the usual street violence, and if there's someone going Capone in your chain of command, you're not going to be able to get this guy alone."<br/><br/>"I'm not sure how much I can tell you about what killed her with just an arm to go on, but I'll at least be able to narrow down if it came off before or after she died."<br/><br/>Taking a pair of disposable gloves from the backpack kit, he pulls them on before reaching into the cooler and retrieving the broken arm. Under the storage room's light, he peers at the stump and the dried blood there, estimating by the quantity and color whether the blood had started clotting pre-dismemberment or not.