Feh...get their names, find their homes. Visit them at night. Some of the founding fathers did such and many problems were solved.
Such visits might not be the wisest of things, especially if they know they’re likely to get threats.
Based on that, such action leaves a lot of opportunity for it to backfire. One wrong move or misinterpretation, and it’d put you on the wrong side of the law(whether or not you were right to do so).
To each their own, but there’s doing it the tough way and there’s doing it the smart way.