In a recent video 4/13/25, Ryan says (at 5:35) "there is no profile of D.B. Cooper."
https://www.youtube.com/watch?v=0jLoSXBdpf0
This answers a question that I've had. It seems that the FBI was using various attributes inconsistently. Any profile can also be doubted based on differences in eyewitnesses.
How are suspects eliminated? Obviously if they don't match the supposed profile, but what if only one point is off?
Many 302s have hand-written ELIMINATE, but there is no reason. Was the FBI just sloppy, or is there some master suspect file that hasn't been released yet?
