David Kallenberger disappeared on March 15th, 2016. He had left his home in Lafayette, Indiana on his motorcycle and was headed to Florida to visit with his sister. At 3:20 PM that day, a state trooper came upon David broken down on Highway 65 in the area of Franklin, Indiana. The trooper asked David if he needed help but David told him that he had already called for help. Hours later, the trooper passed through the area again. David’s motorcycle was still there but there was no trace of David. Various other people had witnessed David in the area that day but where he went after and what happened to him remains a mystery. If you have any information regarding the whereabouts of David Kallenberger, please contact the Indiana State Police at 765-567-2125.