So the trick now would be where to take it from here. They tried to reboot Kolchak, but from what I understand (I never got to see it) it wasn't very good.
I don't think it was very good at all. The original version had a Kolchak who was a loner on a search for the truth. He followed a story no matter where it went. There were times he knew it would never be published, but that didn't matter. Only the story mattered.
The remake has a Kolchak dealing with a personal loss, trying to find what killed his wife. He also had two sidekicks, one a doubter, who assisted him. It contained unnecessary changes, made to make the character more relatable.
The unkempt middle aged man was a better hero than the young grieving male model ever was.