Two teenagers are charged with murder in the killings of five members of an Illinois family, according to the St. Clair County prosecutor’s office and reported by multiple outlets. Authorities say a 16-year-old boy and a 15-year-old girl are accused in a series of shootings that occurred at three different locations. Prosecutors state that the 16-year-old boy will be prosecuted as an adult. The case against the 15-year-old girl begins in juvenile court, with the possibility of being transferred to criminal court depending on legal proceedings. The charges relate to the fatal shootings of the family members, with the incidents described as taking place across separate locations rather than at a single scene. The prosecutor’s office outlines the different paths the cases will take due to the defendants’ ages. The sources do not indicate a motive in the available summaries, and further details about the investigation or additional suspects are not included in the provided excerpts. The cases proceed through the criminal justice system under the age-specific jurisdictional process.