At an initial court hearing , the prosecutor revealed Reveal_secret that he admitted to shooting Use_firearm 10 rounds of ammunition from the gun during the shooting Use_firearm , which began Process_start in the school cafeteria at approximately 7:30 a.m. , shortly after school started Process_start .

although lane told Telling police that he did not know Know the victims and that they were chosen Choosing randomly , witnesses stated Statement that it appeared he targeted Aiming a specific student and the group he was sitting Placing with in the cafeteria .

Lépine then moved Motion through corridors , the cafeteria , and another classroom , targeting Aiming women for just under 20 minutes before turning Becoming the gun on himself .

Two of these were placed Placing in the cafeteria , powerful enough to kill Killing or seriously injure Bodily_harm all people within the area , although they failed Confronting_problem to detonate Attack .