Dragon Age 2 - Inside Job is a follow-up side quest to the "Bone Pit" quest. For this walkthrough, players will investigate attacks on Hubert's (and your)  caravans, and deal with the bandits behind them. This quest is relatively easy and quick.

1. To get this quest, you must have first finished the Bone Pit quest, and agreed to work with Hubert.
2. Agree to interrogate the man.
3. Here, you can choose to interrogate him yourself, or let Hubert beat him.
4. After the interrogation, you will be teleported to the ambush location.
5. Kill the ambushers. 
6. After you speak with Lilley, go and find her in Darktown.
7. After the cutscene, clear out the cave as you move towards the quest location.
   
8. Focus down Brekker before killing his minions.
9. Go to Hightown at Day and speak with Hubert again to complete the quest.