Serial Killer(Age of Expansion: Judge, Jury, & Executioner‪)‬

Alien ambassadors are dying.
The locals are in over their heads. Or are they turning a blind eye?
The Magistrates band together to learn about the law, each other, and even themselves. They still need outside help to solve the case. Who do they call?
And Barnabas stops by to refuel and spin a tale. More training for the Magistrates.
But duty takes them away. Another Ambassador is brutally murdered. Rivka takes her team to find the perp and end the violence.
Very little is as it seems. Who are the good guys? Rivka is determined to set things right, no matter who is standing in her way. What will the Magistrate uncover? What justice will she deliver?
You'll love following Rivka's adventures where no one is above the law. Everyone lies, but why? You have been judged.