That truck doesn’t sound like an inconspicuous vehicle.
My first thought, too.
My second thought being that maybe the truck was deliberately conspicuous.
A "skull sticker" on the back window? That's a typical sniper platoon logo.
“That truck doesn’t sound like an inconspicuous vehicle.”
Red herring? Make it appear that a redneck, bitter clinger is the suspect?
Meanwhile, he switches to a Pendleton shirt, khakis, and drives away in his Volvo.
[yea, I know, been watching too many spy movies lately...]
It’s Chris’ truck. The killer took it.