No. 15-3047 5 that the same letter is going to other “institutions”—namely other credit card companies—in other words that he is organizing a boycott. And notice that he doesn’t demand that “your institution” refuse to allow “your credit cards” to be used to pay just for ads on Backpage’s website that promote illegal products or services—he demands that “your institution” cease and desist from placing any ads “on websites like Backpage.com” (and a fortiori on Backpage’s own website) even though “adult” ads are only one of eleven types of classified ad published on the website. Visa and MasterCard got the message and cut all their ties to Backpage. The letter goes on to state that “it has become increasingly indefensible for any corporation to continue to willfully play a central role in an industry that reaps its cash from the victimization of women and girls across the world.” The implication, given whom the letter is addressed to, is that credit card companies, such as MasterCard and Visa, “willfully play a central role” in a criminal activity (emphases added)—so they had better stop! Indeed, the letter goes on to say, those companies are “key” to the “growth” of sex trafficking in the United States. (Actually, as explained in an amicus curiae brief filed by the Cato Institute, Reason Foundation, and DKT Liberty Project, citing voluminous governmental and academic studies, there are no reliable statistics on which Sheriff Dart could base a judgment that sex trafficking has been increasing in the United States.) He is intimating that two of the world’s largest credit card companies may be criminal accomplices. “Financial institutions,” the letter continues, “have the legal duty to file ‘Suspicious Activity Reports’ to authorities in cases of human trafficking and sexual exploitation of mi-