Continuity mistake: When Glenda grabs the door handle to Nica's room and opens it during the flashback, only the door is opening. When it cuts to the wide shot, both doors are being opened.
Continuity mistake: During the flashback, when Tiffany passes out while watching "Liar Liar" with Glen and Glenda, when Glenda says "She's out!", Glen and Glenda's arms both change positions between cuts.
Audio problem: When Gina says to Tiffany, "she wants to roleplay," Tiffany replies, "Uh, no, no, no she doesn't." However, Tiffany's mouth isn't moving for most of the line, revealing it was added in post.
Continuity mistake: When Tiffany is looking for Nica, right before Gina scares her, the height she's holding the candles changes between cuts.
Continuity mistake: When Tiffany says, "I'm the detective, so I know I didn't do it," Gina goes from holding the fire-poker with both hands to only one hand between cuts.
Continuity mistake: When Tiffany says "All of you are behaving very strangely" to the group, her hands change positions between cuts.
Continuity mistake: When Joe says "How about this?" and does the "Basic Instinct" bit, in the first shot, his right leg is on top. When it cuts to the next shot, his left leg is suddenly on top and he recrosses the right on top.
Continuity mistake: When Sutton suggests they need some "forensic accountants" for the "game", she goes from gesturing with her left hand to her right hand between cuts.
Continuity mistake: When Glenda shows off their English accent for Gina, after Glen says "We're kind of Anglophiles", Glenda's right hand goes from their lap to up on the chair arm between cuts.
Continuity mistake: When Gina puts on a French accent and says, "Don't blame me, stranger, for your troubles. I'm innocent," her hand moves slightly down on the rod she's holding.
Continuity mistake: When everyone is talking in the living room about the "murder mystery," Sutton says, "So any of us could have done it!" Joe moves his left hand in the background and points at her. In the next shot, his left hand is back on the back of the couch.
Continuity mistake: When Tiffany calls Meg "Miss Snooty Pants" after sending everyone to the living room, they go from being several feet apart to practically shoulder-to-shoulder between cuts.
Continuity mistake: When Tiffany tells everyone to assemble in the drawing room, when Glenda says "It's called the living room", Joe goes from looking sideways at them to looking forward at Tiffany between cuts.
Continuity mistake: When Joe says, "That guy is NO actor, he's solid oak!", in the first shot Glenda is looking forward with their arms crossed. When the camera cuts, they're suddenly turning back from looking at Glen and are reaching up to grab their chin.
Continuity mistake: When Tiffany tries to explain the dead body away as it being a "murder mystery party" and says "that's why I hired Jeeves here!", Meg goes from looking at Tiffany to looking at the room behind them between cuts.
Continuity mistake: When Meg accidentally scares Tiffany in Nica's room, when it cuts from the close-up to the wide shot, Meg's arm goes from on Tiffany's shoulder to be her side, and they're a little further apart.
Continuity mistake: When Tiffany is chewing out the "butler" for being rude to everyone, when she pushes him in front of the door and makes the comment about how she'd "kill him" herself, the way they're standing next to each other changes between cuts.
Continuity mistake: When Glen lists off gender-neutral terms for nieces/nephews, when Gina says Glen is "So cute!", the height at which she's holding her wine glass changes between cuts.
Continuity mistake: When the "butler" says "I'm sorry, I'm sorry, I gotta ask" to Glenda, Glenda goes from facing him to facing away in slight disgust between cuts.
Continuity mistake: When Joe is explaining to the "butler" that the word "guido" is a slur, Gina starts to set down her glass and is holding it with both hands. When it cuts to the other angle, she's already set her glass down and you can tell that her left hand is no longer on it.
Answer: They were blamed for the death of Jake's foster brother, which was deemed a terrible accident, and they were sent to the reform school as a punishment. Presumably, when they had to leave the reform school given what happened, they were instead given community service as punishment.
TedStixon