(St. George, UT)  –  Alerts from social media are responsible for the arrest of three suspected of child pornography this week.  Washington County deputies used information supplied by Pinterest and Google to find and arrest Nathaniel Tamplin, Brad Cahoon and Landon Culver.  Investigators say Tamplin’s case is a separate incident from that of co-defendants Cahoon and Culver.  The three allegedly used either social media or email to post illicit images.  Those sites, in turn notified law enforcement.