Originally Posted by bLaKgRaVy
Yeah, and supposedly you have to 5-star the "DLC" cases as well to get "Shamus to the Stars". Before with the regular retail edition you didn't have to, but because they are integrated into the campaign, it changed the requirement for the achievement.
Pretty lame. Fortunately I already got it from the vanilla version.
However, the other thing this points out is that clearly this "DLC" was actually cut content from the main game sold as add-ons. Any other publisher but R* would get crucified for this.