Advertisement Note found in Franklin Regional High School suspect's locker: 'Their precious lives are going to be taken' New complaint filed against Alex Hribal in connection with Murrysville school stabbings Share Shares Copy Link Copy

A new criminal complaint includes details to support a case that the mass stabbing at Franklin Regional High School was premeditated and that Alex Hribal planned to kill classmates.A document signed by Hribal dated April 6 was found in his school locker after the stabbings that injured 21 students and a security guard on April 9, according to the complaint.VIDEO: Watch Kelly Brennan's reportThe note includes a passage that says, "I can't wait to see the priceless and helpless looks on the faces of the students of one of the 'best schools in Pennsylvania' realize their precious lives are going to be taken by the only one among them that isn't a plebeian," according to the complaint.The complaint also says that after the stabbings began, a bloody Hribal was grabbed from behind and taken to the floor by Vice Principal Sam King.The suspect refused to drop his knives and said, "No, I am not dropping them, my work is not done, I have more people to kill," according to the complaint.SEARCH WARRANT: Read an inventory of items that police seized from Alex Hribal's lockerStabbing victim Derek Jones described the new information as "disturbing and shocking." Jones said it made him feel more determined to be able to get through this.Murrysville Police Chief Thomas Seefeld told Pittsburgh's Action News 4 he believes the complaint shows there was an intent on Hribal's part to cause substantial harm."This suspect was intent on doing what he was doing. Probably, being interrupted as quickly as he was, he probably wanted more casualties, from reading this. I think it was clear in his mind what he was doing and what he intended on doing -- to cause as much harm as possible," said Seefield.Hribal was arraigned by video Friday on new charges of attempted homicide, aggravated assault and possession of a weapon on school property. His attorney did not immediately return calls seeking comment.The 16-year-old Murrysville boy is charged as an adult and being held in a juvenile facility while he awaits a preliminary hearing.Two victims of the Franklin Regional stabbings -- Greg Keener and Connor Warwick -- remain at Forbes Hospital in Monroeville. Two other hospitalized students were released this week.