From Amazon:

Detective Sarah Burke is called out to a mass shooting in a quiet residential street. It’s a bloody mess and the walls are riddled with bullet holes. It looks like a home invasion gone very wrong. But it’s nothing she can’t handle.

That’s until one of the ‘dead’ bodies wakes up. At least now Sarah has a suspect.

But on the way to the hospital he attacks his police escort and escapes. Sarah’s back to square one. Only now with a violent potential killer on the loose.

Sarah Burke has a real mystery on her hands. And she’d better solve it before Tucson, Arizona sees any more carnage.

Previously published as Magic Line