When Agent Delfs cuts her hand, a stream of blood goes between her middle and ring finger, but in the next scene they are completely clean. In fact when she cuts herself she would not have bled as much as she did.
When Agent Delfs has the files in the conference room she has her hand on the top page but in the next scene she has it folded over the top of the folder.
(At about 28 mins) When Karen Delfs is talking to Agent Aubrey, she puts her left hand on her arm, and in the very next shot, her left hand is flat on the table.
Hodgins and Vaziri refer to a "serial murderer" while seeing only two bodies. By definition, a "serial killer" only occurs when *three* or more bodies have been found.