Michael A. DeGaetano

In Arizona during the Civil War, a woman is accused of witchcraft, tied to a horse and left to die in the desert. One hundred years later, the descendants of the woman's accusers start being killed off, and the townspeople suspect the woman has come back as an evil spirit. (imdb)

An electronics expert searching for evidence of aliens picks up signals that he believes are from an alien spacecraft--and they are coming from a lake near town. (imdb)