Based on the FB message, it appears that there is a trip leader. However, his or her identity remains a mystery. Below is the link to the park district page. Scroll down the page a bit to see the update on trip starting time.
https://www.facebook.com/CCParkDistrict/
Don't count on a 6:00 a.m. Saturday morning scouting report
. But I will post anything I see from the park district on Friday evening.