The camera appears to be put on the floor of the bathroom, and we pull back to see that we're in the FBI's situation room, watching the video on the big screen. David expositions that the recording was dropped off anonymously at the FBI a few hours ago, and they have since verified that the recording was made six days ago and there have been no 911 calls from the actor's house. Don cocks his head at the bathroom tile image and muses, "Brett Chandler is a pretty big star -- we better know what's up before we go after someone like him." Something about that cautious attitude from Don really grated on me. I mean, I know he's saying they could just be in for a world of red tape and potential defamation lawsuits unless they have something concrete, but I guess part of me wanted the pre-therapy Don, who doesn't give a damn about Hollywood glitz when there's a dead body involved. As for the identity of the victim, Megan explains that Charlie's working on getting them a clean image. Charlie walks in (or stands up?) at this point and begins a mathspaz. But first he has to be an ass by grabbing David's glass of water out of his hand. He goes on about refraction and pencils through a glass of water. And then we go into a mathvert. Oh, ick -- I thought this weird slow-mo, light-trails thing they were doing for Charlie's mathverts was just for the premiere, but it looks like it's here to stay. Guess I'll have to start taking Dramamine before watching. Charlie says, "Think of a gumball machine, packed with hundreds of gumballs. Imagine striking it with a sledgehammer." I'm sure David can think of something else he'd like to strike with a sledgehammer. Charlie's point is that after the sledgehammer strike, the ensuing mess is not random, because the path and position of the gumballs are all a result of specific forces acting on it. Taking velocity, momentum, and mass into consideration, they could use the end position of the gumballs to put them all back in the machine exactly where they were pre-sledgehammer. This is to explain that refraction works in the same way, so Charlie hits some keys, and by using Snell's Law and "a dash of Goos-Haenchen shifts" and a motion-tracking algorithm --VOILA! The close-up we have of half the dead girl's face floating on the surface of water is "turned around," and we get her full face. "Woo -- that's freaky!" Charlie laughs, rather callously in my opinion. He's shown due respect for dead things in the past, so I find it weird for him to be so flippant here. As they wait for the techs to run the reconstructed image through facial recognition software, David looks out of the situation room window and sees Colby walk in. "Look who's back," he says sourly. Megan looks up and smiles, and she and Don move to greet Colby. David doesn't follow and instead glares down at some papers.