Murder on Mars

The American colony on Mars suffers it first murder. The Dust Cartel is suspected of ordering his death. If word reaches Earth that a murder had happened on Mars, the entire colony project could be defunded and abandoned, leaving the Chinese in control of Mars.
The U.S. Space Force, The Agency", recruits disgraced astronaut and shuttle pilot Matt Hernandez to investigate his best friends murder and bring the guilty to justice. A trained martial artist and highly-effective bounty hunter, Matt is well suited to hunt down his friends murderer and root out the Cartel.
Matt faces intrigue and several attempts on his life within days of his arrival on Mars. Will he survive to find long enough to avenge his friend?