Showing Dark Angel: Skin Game by Max Allan Collins

Someone is killing and skinning normal humans in Seattle. At first, this news barely causes a ripple in Terminal City, the haven for the transgenic community. They have problems of their own. But as the killings on the outside continue, Joshua comes to Max with his suspicions that the murderer may be one of their own. While some of the transgenics would be in favor of letting the killer go free, Max argues that this is exactly the mindset that causes the humans to fear them. If they don't stop the killer, it will be just one more thing the humans can hold against them. Max and her most trusted aides, Logan, Joshua, Alec, and Original Cindy start investigating the crimes. But what they discover will shock even the most jaded among them - and expose a sinister agenda that leads to an old, nefarious foe-