The teens, who were in eighth-grade at Delphi Community Middle School, were hiking on a day off from school on February 13, 2017, near the Monon High Bridge, an abandoned rail bridge along the 10-mile Delphi Historic Trail, Indiana State Police said.Hours later, they failed to meet Libby’s dad at a previously arranged time, police said.

A video filmed by 14-year-old victim Libby German just before she was murdered in Delphi, Indiana, was played for the jury during Richard Allen's trial. Allen is accused of killing Libby and 13-year-old Abby Williams while the best friends walked on a trail in their small town on the afternoon of Feb.

Richard Allen, 52, is facing four counts of murder in connection with the murders of Abigail Williams, 13, and Liberty "Libby" German, 14, in 2017.

Richard Allen, 52, is facing two counts of murder in connection with the killings of Abby Williams and Libby German.

An Indiana jury was shown a longer version of the infamous video taken from the phone of one of the slain teenagers in the Delphi murders case. The trial of Richard Allen, 52, entered its fourth day of testimony on Tuesday and included the previously unseen video.

The incident took place while prosecutors questioned Sgt. Jason Page, an Indiana State Police crime scene investigator, about the scene where two young girls' bodies were found. Richard Allen, 52, is accused of killing the teens,