When 74-year-old Margaret returned from visiting her sister, she was devastated to find her beloved pond — the one her grandfather dug and her grandkids adored — filled in. The culprit? Her grumpy neighbor, Brian, who always complained about frogs and mosquitoes,

But Margaret wasn’t just a sweet old lady — she was fierce. With the help of her bird camera footage, she caught Brian red-handed and called the environmental agency, reporting the destruction of a protected habitat. Brian was slapped with a massive fine, then hit with a lawsuit thanks to Margaret’s hotshot lawyer grandson.