Dateline NBC will air an episode about the Delphi murders on Friday. Find out when to watch and how to stream.

Richard Allen was found guilty of murdering teenagers Liberty German and Abigail Williams eight years ago near a hiking trail ...

Richard Allen, 52, has been sentenced to 130 years in prison for the murders of 14-year-old Liberty German and 13-year-old ...

Libby German, 14, and Abby Williams, 13, were killed near an Indiana hiking trail — but not before leaving behind a haunting ...

"Dateline" spoke with people at the center of this case including the family of Libby German, the prosecutor, the defense ...

Photo collage of a headshot of Richard Allen (left) over a photo of photo signs of Abbigail Williams (middle) and Liberty German (right). A photo of a bridge is layered on top, on the bottom half ...

is set to cover the murders of Abigail Williams and Liberty German, also known as the Delphi murders, which took place in February 2017. Especially because it was the first of its kind in the ...

The conviction in the high-profile Delphi, Indiana, murders will stand after a judge ruled against multiple appeals from ...

Special Judge Fran Gull denied recent motions from Richard Allen’s attorneys seeking to reexamine his conviction last year in ...