If this guy is a known quantity and you can meet up with him again and he's willing to do it, get some video of it. It'll be a Youtube sensation. Of course, there will be a zillion folks calling it a fake or a setup, but it's still worth catching on video.
Attention Brass rats and other reloaders: I really need .327 Federal Magnum brass, no lot size too small. Tell me what caliber you need and I'll see what I have to swap. PM me and we'll discuss.