What would make a JPL scientist kill his wife and hold an entire supermarket hostage at gunpoint? Find out, in this exclusive sneak peek at Alien Raiders, the horror film that's out on DVD tomorrow.

In Alien Raiders, Ritter and his team of rogue alien-hunters track an alien infestation to a supermarket and start trying to figure out which of the people inside have aliens in control. As you can see from the clips below, they have some unorthodox methods of alien detection. And it's up to one smart cop, who keeps his head in a crisis, to keep the situation from going bonkers.

Here's the trailer:

And here are a couple of clips:




Alien Raiders is out on DVD from Warner Bros. tomorrow.

Send an email to Charlie Jane Anders, the author of this post, at charliejane@io9.com.