Palomino filly orphaned after horses found shot, who is killing Heber wild horses?

7 horses have been shot and killed in the towering pines and tall grasses of the Apache-Sitgreaves Forest, as well as the tragedy of the death of these lovely wild horses we see that the palomino filly foal has been left orphaned without a family. Below you can watch the news report from ABC news, please beaware that the footage may be disturbing and upsetting.