A 50-year-old man has been arrested in connection with the Delphi murders of Libby German and Abigail Williams. Richard Allen, 50, was taken into custody in Indiana on Friday. It remains unclear what exactly he has been charged with. The girls were murdered in 2017 after arranging to meet a man on abandoned train tracks in the town of Delphi. Their murders remained unsolved for five years. Allen's arrest is the first time his name has been publicly associated with the case. Allen's connection to the girls remains unclear, and police say they will not hold any kind of press...