When they are about to meet the buyer of the virus, the front of a car is visible and they close in on front Georgia license plate. Georgia however doesn't have front license plates, only rear.
When the murder victim is killed, he already has a red mark on his neck from a previous take or takes.
Jessica holds a cassette tape left to her by Mark. It is an ordinary sized audio cassette. Later she listens to the tape but the machine it is played on is too small to take the size of the audio cassette she had.
Reisner's threat to go public with the information about the virus research is empty. Either one of, two of, or all of the federal agencies would have quickly hidden him away.
The vials of the virus are kept in a refrigerated apparatus at the lab, yet during transport aren't refrigerated.