Be nice to your neighbors, you never want to end up in a feud. From Hatfield and McCoy's to Karen and Kyle and every other lovely person you could meet, it's best to make cookies, not war.
Many of us see scammers as a dangerous nuisance, but played correctly, every scammer interaction can be an opportunity to get extremely weird toward a confused stranger. For more scammers messing up, here's the worst scammer the world's ever seen, as well as a scammer who got trolled with some Photoshop skills.
This is why you don't mess with crows, or better yet, why it pays off to have some feathered friends in high places. This guy's neighbors sound like they were a real piece of work, and generally unfortunate people to be around. Fortunately, he was able to befriend some crows that would appear to have picked up wind of this, and proceeded to stand up for him. With all the wild stories of people's experiences with intelligent, devilishly clever crows, it's really no big surprise.
For another glorious tale of petty revenge, check out this story about a sister who always stole their sibling's food, so the sibling took revenge at graduation.