I am very sorry for what I did and I have to live with it every day. >> He warned people he'd do it. No one listened. For years, Nicholas Cruz showed every red flag possible. Posting threats online, torturing animals, and talking about shooting up a school. Police came to his home more than 30 times. Even the FBI got tips, but never acted. Cruz had been expelled from Marjgery Stoneman Douglas High School for fighting and threats. On February 14th, 2018, he walked back into that same school carrying an AR-15. Within 6 minutes, 17 people were dead and 17 more were injured. He tried to hide among fleeing students. He left his weapon behind and went to McDonald's for a happy meal and was arrested an hour later at McDonald's. >> What's going on today, bro? >> The demons, man. >> Demons. >> In 2022, he pleaded guilty to all charges. The jury spared his life, sentencing him to life without parole. I am very sorry for what I did and I have to live with it every day and that if I were to get a second chance, I would do everything in my power to try to help others.