In this video, CH is being interviewed by a TV reporter( he is the 911 caller) and he mentions at 19 seconds in the video,
"Well, first I attempted to purchase gas with a pay inside....nothing... the clerk has to activate that, the lights were on, everything seemed normal...we went inside (snipped by me....)
https://www.youtube.com/watch?v=OBq7mKz8Duk
At 2 minutes 38 seconds in the video he mentions that he didn't notice anybody leaving as in no suspicious vehicles or anything.
He was the one that called 911 to report that there was his vehicle, jessica's vehicle and another vehicle there.
I wonder if he did then recognize that other vehicle, or if he meant he did not see any suspicious vehicles...
IMOO.