Talking abt being in a shooting as a extenuating circumstance

So, TL;DR: My hometown got taken over by the cartel while I was visiting right before freshman year. I ended up developing PTSD from the experience and got it diagnosed, but I couldn’t focus much, which caused my GPA to drop to a 84. I’ve been working on recovering, but it’s been a slow process. For sophomore year, I’m looking at a 90 at most for the first semester.

Does it seem valid if I explain this? I don’t want to come across as crazy, you know. Also my school is superar competitive like i think the top 10% has a 99% average.

(Yes i am in therapy and on those meds so)