Putting the update here at the top:I still haven't been able to confirm if if was "the kid" who did this or not, but I did call the local PD and a detective will be here soon to talk to me. I actually expect that to happen briefly because of where we are, and if there's anything important to tell you all about I'll do so. But for now I'm going to log off so I can focus on resolving this.
Please don't rec this diary, because I don't want attention drawn to it at this point.
Here's the sitch: our truck has been parked for a couple months because neither of us have been able to drive for reasons unrelated to this post. I knew it would take some work to get it started after sitting for so long so I've been putting it off, but circumstances have made it important that I get it running again. I tried yesterday with no success, so my FIL came home for lunch today and told me "let's get that truck runnin', kid."
A small fire, a lot of smoke, and a few panicked minutes later and the rig was purring.
I decided to take it for a drive to keep the battery charged and burn off the gas and oil that had coagulated around everything. When I got to the gas station to fill the tank I noticed a bullet in the bed. WTF? Weirder, I picked it up and freaked out a bit: written in sharpie on the bullet were the words "your mine" [sic].