This article was originally published at the defunct Insight blog at Skeptic.com on February 20, 2015. An archived version is available here.

Few skeptical tactics are as hard-hitting or as ethically fraught as undercover investigation and “sting”-type traps designed to expose the roots of too-good-to-be-true claims—or even to catch tricksters red-handed. A recurring controversy over those tactics has flared up again over the last few days, following some sharp remarks about skeptics from former Ghost Hunters cast member Amy Bruni. Bruni took to her Facebook Page to express her frustration with skeptics who engage in such tactics, presumably in reaction to two recent sting attempts (dubbed “Operation Bumblebee” and “Operation Ice Cream Cone” by organizer Susan Gerbic). Bruni wrote: Read more