The Mars Ripper - Space Life

A serial killing spree threatens to shatter the morale of the nascent Mars colony. Two investigators race to catch a terrifying reincarnation of the infamous Ripper before he shreds the Mars Colony. While he rampages, the two track him using the improvised resources they have at hand. Finally, they must confront him and deal with his confederate. She is a mining engineer inexperienced with lethal force, and he is a law officer sick of it.
But, to save his friends he must pay the cost. He must become a murderer yet again.