Richard Allen was armed with a gun when he came across teenage friends Abigail "Abby" Williams and Liberty "Libby" German near a hiking trail in Delphi, Indiana, in February 2017, then used "power and the fear" to force them "down the hill" before slitting their throats,

Opening statements are expected Friday in the long-awaited trial of the man accused of killing two teens in Delphi, Indiana, nearly eight years ago. Richard Allen, 52, is accused of killing Liberty German,

Prosecutor Nick McLeland told the jury on Friday that they would be shown graphic crime scene photos during the trial, Fox 59 reported. Police claimed at the time of Allen's arrest that they had searched his home and found several knives and a gun that was allegedly linked to a bullet found at the scene, according to the AP.