I used to go to the local GoodWill store and find literature that was given to people (who obviously didn't want it because it was in mint condition) with their names inside "To blah, blah w/blessings blah...." and look them up and secretly leave it back on their doorsteps late at night so when they got up the next morning this unwanted literature would be there, mocking them...
Another thing was the laundromat fake witnessing thing... There was this one laundromat that kept trashing the mags and I'd retrieve them every day and put them back...(the same set)...then I came in after about three or four times this happened to find it shredded in the trash and so I collected the shredded bits and replaced the mags with what looked like identical copies, less the mangling. This happened about two more times and I kept doing the same thing ( I think I had like a case of these sets because that's what you'd get from people who wanted to "help" the pio's out)
I can only wonder what these people were thinking...
(Oh, I remember a time when I was out in a remote area about 15 miles off road to go hiking around Mt. Hood and oddly there was one other car there, someone else must have discovered this trail... On the way out I left one of those Hell tracts on the windshield...never ran into anyone out on the 13 miles of trail)