I went to a really small middle school/high school (this was a charter school that had grades 6-12), and everyone in my grade was pretty tight-knit. When we were 17, one of my buddies had been at a house party with her older 23-year-old boyfriend on a Saturday night. Now, we all knew this guy was a POS, and we were always telling her to dump his ass. But anyways, at some point, my friend decided she wanted to leave the party and go back home, but her boyfriend didn't want to go. They apparently argued about it, and she ended up leaving the party by herself and started walking. She called her mom to let her know where she was and ask her to come pick her up, when all of the sudden, my friend was abruptly cut off. Her boyfriend had angrily gotten in his car and made a beeline straight for her. Ran her over and killed her while she was talking to her mom. He apparently asked someone nearby to help him load her in the back of his car, and he drove her body to his home and brought her inside. Some witnesses had followed him home and called the cops. They arrested him on the spot.

The other thing happened when we were 14/15 - same school. There was this badass algebra teacher/baseball coach that we all loved. He had been going over to this girl's house to "tutor" her for close to a year, but one day her mom found a sext from him on her daughter's phone. Come to find out, he had been raping her just about the whole time, but also they like basically had a full-fledged relationship. This girl's mom was one of the admins at our school, and like I had mentioned, it was a really small school, so the staff were something like a family. There was constantly outings and events with all of the staff and their families, so the two of them were able to spend time a lot of time together without raising eyebrows. The girl was 13 at the time, and the teacher was in his late 30s. He got sentenced to 15 years in jail.