Shelbyville Police warn of '48-Hour Challenge after surge in runaway reports While investigating a series of reports of missing teenagers, Lt. Michael Turners uncovered a disturbing game children are playing on social media. Author: Jennie Runevitch Updated: 7:49 PM EDT April 13, 2021 SHELBYVILLE, Ind. — Police in Shelbyville are warning families about a new challenge spreading among teens online. They got concerned after a recent surge in runaway reports and, while doing research, discovered the "48-hour Challenge," which investigators call a dangerous game. Detectives right now are searching for 17-year-old Tony Bridges. He disappeared April 9 and hasn't been seen by family in days. Police say he's part of an alarming rise in runaway reports in Shelbyville.