Maj. Patrick Cicero, of the LaPorte County Sheriff's Office, told jurors he believes the killer slashed Libby's throat and then pulled her by her arm, which was lying above her head when first, The two teenage girls who were found brutally murdered near a creek in Delphi, Ind., in 2017 had their throats cut, prosecutors said at the trial of Richard Allen, who is charged with the, Convicted Delphi, Indiana, killer Richard Allen was sentenced on Friday to 130 years in prison for the 2017 murders of two teenage girls as the victims' families spoke out in court. Allen was given 65 years for each murder, to run consecutively., Newly released court documents in the murder case of two Delphi, Ind. girls are providing new details, including what investigators discovered at the crime scene and a supposed confession from, Richard Allen, 52, was found guilty in the 2017 deaths of teens Liberty German and Abigail Williams, who were found dead in 2017 near the Delphi Historic Trail in Indiana., Find out what a pathologist said about the murders of Abigail Williams and Liberty German, as Delphi man Richard Allen faces trial..