To start, this theory banks on the possibility that Kerry killed Hal. I think Hal found out that Noah is a Manhunter, and knowing Hal’s journey, his tragic flaw is that he believes Manhunter is a Manhunter and must be destroyed at any cost.
However, Noah is a special Manhunter because it was created not for extinction; but it was born out of love. Noah was nurtured to be human, and not a Manhunter. Something that Zoe gifted to Kerry not to program but to nurture as a real son. He is indeed a “miracle”, after all.
Of course, Hal sees the fault in this and confronts Kerry. However, Kerry chose to protect Noah and kills Hal.
So what is it for John?
I think this will be John’s final test and


