Continuity mistake: As Logan discovers Max's checkmate early on he switches from left hand high to right hand high. (00:00:30)
Continuity mistake: Lydecker menaces the corrupt cop by pointing the gun straight at his chin, but in the closeup he's moved closer and the gun is angled toward the cop's left cheek. Lydecker is back farther in the next shot. (00:04:05)
Continuity mistake: There's a clock on the wall behind Sung during his interrogation of Normal. The second hand is just striking the 9 o'clock position when Sung asks Normal if he is "not a man to be taken lightly". It's still at that mark when the camera comes back to Sung almost fifteen seconds later. Later when Sung tells Normal about the parking tickets, the second hand skips from 12 o'clock to the 5. (00:20:15 - 00:28:20)
Continuity mistake: Zack's jacket changes from over his chest to wide open after Max pins him and stands up. (00:31:05)
Answer: Max's disease is specifically tailored to work only on cells exhibiting Logan's genome. No one else would notice it.
Phoenix