The two groups arrived at the crime scene after leaving the Appaloosa Club.
Google Maps provides the following details about the route taken:
Note that the estimated time between these two points is 26 seconds.
Now, let's take a look at two frames from the parking lot surveillance cam at the Appaloosa. The first frame shows the departure of Chas's pickup truck. The second frame shows the departure of the jeep Todd rode in.
The date/time stamp shows that the vehicles departed 32 seconds apart.