The Body Finder, by Kimberly Derting

Violet Ambrose has been hearing sounds, or seeing colors, or smelling smells that others can’t for as long as she can remember.  She calls them “echoes,” and they come from dead things.  Vi’s cat, Carl, helped her figure out that the echo is a unique signature of the thing that died.  That same echo clings to the one that did the killing. Poor Carl got kicked out of the house many times because Vi couldn’t stand the smell attached to the cat after it killed a mouse or a bird.

Violet, for the most part, has become used to the extra sensory information. There was only one time, when she was younger, that the echoes compelled her seek out the source and she found the remains of a young girl.  That changes when a serial killer appears to be hunting in her hometown and Violet finds the hidden remains of…