The Lies My ‘Loverboy’ Told Me™

  A poster in the window of Cahoots Corner Cafe—great potatoes, good coffee—advertised a family event at the Oakdale, California, rodeo grounds. There would be food trucks, carnival games, live music, a raffle, and the opportunity to support the cause of “freeing child sex slaves.” The event, called the Festival of Hope, was a fundraiser for the anti-child-sex-trafficking group Operation Underground Railroad, which was founded in Utah in 2013 and has achieved immense popularity on social media in the past year and a half, attracting an outsize share of attention during a new wave of concern about imperiled children. It is beloved by parenting groups on Facebook, lifestyle influencers on Instagram, and fitness guys on YouTube, who are impressed by its muscular approach to rescuing the innocent. (The nonprofit group is known for taking part in overseas sting operations in which it ensnares alleged child sex traffickers; it also operates a CrossFit gym in Utah.) Supporters commit to “...