YAHOO NEWS - June 7 - Trent Thorburn, who was sentenced to four years' imprisonment in 2017 after a sexual encounter with his foster sister Tiahleigh Palmer, is believed to have uploaded a series of selfies to Tinder. Twelve-year-old Tiahleigh was later murdered by Thorburn's father, Rick, in October 2015. He is currently serving a life sentence as a result of her death. Tinder confirmed that the matter was being looked into. "The safety of our users is a top priority at Tinder and our team is investigating this," a spokesperson said.