CARROLL COUNTY, Ind. -- Friday marks the start of the Delphi murders trial as Special Judge Fran Gull will listen to opening statements and arguments that will have a bearing on how the trial progresses. Tuesday concluded with 12 jurors and four alternates being selected at the Allen County Courthouse. Now that jury selection is complete, the trial is set to officially begin at 9 a.m. Friday in Carroll County. Before that, Judge Gull will rule Thursday in Fort Wayne on multiple motions that have been filed. Allen has been charged with four counts of murder for his alleged role in the February 2017 deaths of Abby Williams and Libby German near the Monon High Bridge in Delphi. Allen has been in custody since October 2022 when Indiana State Police announced his arrest. Sketches One of the motions Gull must rule on centers on the prosecution's efforts to prevent two sketches that were released during the initial investigation into the deaths from being part of the trial. The initial sketch released in 2017 (left) and the revised sketch released in 2019 (right) The prosecution, led by Prosecutor Nick McLeland, filed this motion on Tuesday. McLeland has claimed that the potential inclusion of these sketches could cause further damage by confusing and misleading the jury. Bringing jurors to the crime scene Gull must also consider another motion filed by Allen’s defense — composed of attorneys Andrew Baldwin and Bradley Rozzi — requesting that the jury be permitted to visit the original crime scene at the Monon High Bridge in Delphi. McLeland and the prosecution have objected to this motion. Arguments of defense, prosecution Another point of contention that is expected to be brought up once the highly anticipated trial is underway is the unspent bullet that was recovered between the bodies of the two girls. The prosecution has emphasized throughout the buildup of the trial that this ballistic evidence forms a central portion of its case, with McLeland stating that the unspent bullet with "distinct marks" found at the scene links Allen to the double murder. A subsequent search of Allen's home led investigators to find a gun they claimed matched the unfired bullet. Defense Attorney Andrew Baldwin reportedly told jurors on Tuesday the prosecution has "no DNA, no fingerprints. Hair was found in Abby Williams' hand that doesn't belong to Richard Allen." The prosecution has reportedly asked prospective jurors if they felt strongly about needing to see DNA evidence or a murder weapon before reaching a verdict. The defense also made a point to ask jurors if they believed they were capable of overlooking incriminating statements. The prosecution claims Allen allegedly confessed on over 60 separate occasions to the killings. The defense counters this by asserting that Allen was in mental anguish and this was the reason behind the false confessions. The trial is expected to last four weeks.