Experts say it typically requires fire, a spark, or some sort excessive heat to set off a bullet without a gun. Currie said he's still talking to his son, searching for an explanation about how it happened and where the bullet came from in the first place.
Notice how the experts don't seem to be aware of "squeezing" or "impact" being possible causes?
The kid "Just found it in his room, we don't know how it got there." Uh huh, I can give them one good guess.
Allan Quatermain: “Automatic rifles. Who in God's name has automatic rifles”?
Elderly Hunter: “That's dashed unsporting. Probably Belgium.”