2 girls stopped from carrying out deadly school assault

A 12-year-old an 11-year-old are accused of bringing knives and a pizza cutter to their Florida middle school to carry out an attack, according to police.
2:18 | 10/25/18

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Transcript for 2 girls stopped from carrying out deadly school assault
Now to that alleged school attack plot foiled juice in time. Police say two girls were about to carry out a deadly assault stabbing students at their middle school before they were stopped. ABC's Victor Oquendo is on the scene in Bartow, Florida, this morning. Good morning, Victor. Reporter: Good morning, Michael. The details from police are chilling. These girls in just sixth and seventh grade allegedly told them they wanted to kill at least 15 of their classmates at this middle school and then commit suicide. This morning, police say two girls just 11 and 12 years old brought these knives and this pizza cutter to school and were just moments away from carrying out a plot to attack and kill their middle school classmates Tuesday. How can this happen, you know? We're afraid and she's afraid. Reporter: According to police the girls were discovered together in a bathroom after first period allegedly planning to overpower and stab other students who came inside. Both of these girls went to the bathroom to carry out this plot that they had designed on the previous weekend. Reporter: According to investigators the plan was hatched while watching scary movies during a sleepover. Police also say their investigation revealed disturbing communication between the two. Childlike drawings of the school and this handwritten note that says go to kill in bathroom. Overnight police crediting fellow students for reporting rumors about a possible school attack. We had other students that heard a rumor and reported that information. Got it to us quick enough where we could prevent a catastrophe in our community. Being held on several charges told police allegedly they were Satan worshippers. One of their last texts to each other, we shouldn't have met each other lol. Now death is cheer. The chief of police saying the girls didn't seem worried as they were questioned by investigators. There was essentially no reaction from either of these two girls. I would describe them as care free and nonchalant about the process. Reporter: And police also say one of these girls' mothers received a robocall that her daughter wasn't in her second period class and called the school and said her daughter should be there. They immediately started searching and were able to find them before anyone was hurt. 11 and 12, thank you very much.

This transcript has been automatically generated and may not be 100% accurate.

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