Although many of the trees "once common" in this forest share a nickname with him, Norville Rogers would probably be too scared to trek among them, like, searching for clues to this mystery. But in the end, his friends would usually offer him and his dog just the right incentive to do so.
Find the sign with his nickname on it and you may turn up a couple more clues to help with this mystery.
Clue#1: An archaeological dig began here in May ABCD under the supervision of Forest Preserve personnel.
Clue#2: One of the artifacts unearthed here was a lady's compact engraved with the name of a Chicago socialite who lived from EFGH to JKLM.
The mystery final location is at N42° LE.LDC W087° DJ.(K+L)(D+A)(E+G).
Both locations (posted and final) for this mystery are located along the Des Plaines River Trail and can be accessed by walking/biking along the trail. Please use stealth as this trail can experience times of moderate traffic.
And as the gang pulled off the mask, the identity of the FTF cacher was revealed to be...
