Bloodsuckers from Outer Space(1984)

Nobody Can Escape ...

A mysterious and invisible alien presence has landed in rural Texas and has started turning the nearby townspeople into white-faced, bloodthirsty killers. As the local authorities begin to investigate the strange and violent goings on, a photographer and his girlfriend find themselves trapped in the midst of an unexpected rural bloodbath, which seeks to turn them into another pair of bloodsuckers from outer space...