-Throughout the film, if you listen closely, you can hear Nelson's watch beep.

-During "The Note", you can briefly see the reflection of the camera in the window.

-At the beginning of "The Woods Party" Nelson claims he has 'broken the seal'. Kyle mentions that they didn't start drinking yet. How could he have broken the seal if he didn't start drinking?

-When Kyle and Mark sit down to start drinking, Kyle has jean shorts on. During the 'chugging contest' that takes place directly after they sit down, Kyle has black track pants on. When the contest is over, the camera changes angles, and Kyle is once again wearing the shorts.

-In the same two scenes, Mark is leaning against Kyle for the 'chugging contest', and when the angle is changed, he is sitting farther away.

-If you listen carefully throughout the film, you can hear Nelson, dressed as Peter, laugh during scenes.

-When Kyle and Mark find Nelson and run out of the woods, as they run past the camera, Kyle bangs into the tripod, and you can hear the bang, and see the camera shake for a split second.

-Peter's beard is never in the same place.

-During "The Stake Out", you can see the shadow of the camera, and the cameraman.

-At the lighthouse, when Mark and Nelson get out of the van and are standing there talking, there is no badminton racket in the case. When we see Peter, and the camera goes back to the boys, the racket is there.

-When Mark hits Peter with the crate, he gets on top of him and starts punching him with his right hand. When the camera changes angels and gets closer, Mark shifted to the other side and his hitting him with his left hand.

-In the same scene, Mark is punching Peter, and Peter's head is turning the wrong way.

-When Peter has Mark in the choke hold, the camera changes angels, and Peter is wearing different pants and shoes. It is Kyle as the stunt double.

-When Mark and Nelson say "Let's go find Kyle." and walk off, you can hear them talking very quietly about the next scene.

-When Mark drives by with Peter strapped to the roof, there is nobody in the front seat. Nelson is supposed to be there.

-You can see part of Kyle's orange shirt sticking out as he is strapped to the roof rack, as Peter.

-As Nelson and Mark are about to throw Peter's body in the water, you can see Peter's (Kyle's) hands gripping onto Nelson's arm to help lift him. Peter is supposed to be dead.