Star Wars: Jedi Apprentice The Only Witness by Jude Watson Book 17 GD

An evil crime family controls the fate of a planet. Only one witness can bring them down someone from the inside. In order to make it off the plan- et to testify, she's going to need the protection of the Jedi.

Qui-Gon Jinn and Obi-Wan Kenobi take the assignment, thinking it will be easy. But nothing is ever easy when crime is concerned, and soon the two Jedi are entangled in a violent web of power, corruption, and lies. Qui-Gon and Obi-Wan know their allegiance is to the witness. But can she be trusted?