Hoshi and the Red City Circuit - Dora M Raymaker - Bog

When three Operators are ritually murdered, it's up to private investigator Hoshi Archer to solve the case. Things get complicated with power-hungry bureaucrats, old rivals, and an immortal, amoral alien. Hoshi must decipher a deadly computer program and learn to communicate with the alien before it's too late for the next victim-and the city.