[A Navy Vet]

"...and upon capture they need to be summarily executed."

I disagree. It's time to start making these monsters think twice about their actions. Brutal and inhumane as it may be, my suggestion:
Coat them in pig blood and hang them by their feet while broadcasting via satellite. Let the elements take them, slowly. No quick and merciful deaths for these things. Examples need to be set for all the other virgin seekers...

[Enterprise]

I am not in disagreement. The point we both agree on is to stop messing around with them and punish them severely. Shoot them summarily, or dip them in pig's blood and hang them by their heels until the buzzards pick their bones - either is fine.