The Tap Water Massacre — Mark Sarney

When a mismatched pair of 24th century bounty hunters help prosecute a local dictator for mass murder, their squabbling jeopardizes the prosecution's case and their own safety.

This 3,000 word short story is set in a world where bounty hunters have a monopoly on Big Data and any information is available - for a price. Assuming you don't end up with a total clod of a bounty hunter to get it for you.