Standing Watch (Dakota K-9 Unit, 3)To protect an innocent witnessa K 9 must sniff out a killer. When K 9 task force officer Zach Kelseys estranged wife is attacked at a Mount Rushmore observation deck, he and his K 9, Amber, are quick to come to her rescue. He discovers not only that Eden, a park ranger, is carrying his child, but that she saw her coworkers murder. As the only witness to the crime, Eden has no choice but to accept Zachs protection. But with a ruthless killer ramping up