A court appearance was made by a teenager facing serious charges. The case involves a mass shooting with multiple victims. Details about the incident are available from the source, including the number of people killed and injured.

The accused individuals include a 16-year-old boy and a 15-year-old girl. The boy is being charged as an adult and faces multiple counts of murder. The girl's case is being handled in juvenile court.

Further information about the case, including the events surrounding the shooting, can be found through the original source, which provides more details about the incident and the court proceedings.