I made it VERY clear in the wiki as to who she stole from. Rhiga stole from the prince of her city. The city was named Hekaga. She was caught stealing from the prince, as in they SAW her steal, but she escaped but climbing out of a window and down the side of the palace. She was never locked up. You can be 'caught red handed' and still escape from something, you know... only... they know you did it.
"Born in the Dracon city of Hekaga, Rhiga's early life was one of poverty, having been raised by her mother alone, as neither she nor her mother knew who her father was. Her mother was a dancer, and taught this skill to her daughter. Even with steady work, Rhiga was often unable to make both ends meet due to her low wages and the fact that few other occupations are open to females in Dracon lands. Her brother was a thief who taught her how to steal if she needed to get more than she was being paid. For a couple of years, Rhiga was able to steal from rich Dracons who hired her to perform for their feasts. Because many guests arrive at such events, it would be difficult to pin the blame on any one individual if the host discovered that some of his valuables were stolen. Unfortunately, Rhiga's luck ran out when she attempted to steal from the prince of Hekaga. While she managed to escape, she cannot safely return to the city, and thus, she hit the road, and has gained experience since her flight from Hekaga. Rhiga is a mid-level rogue who is currently on the run from the law of her home city."