So hurt 😒😔

So I feel like I have to share because I want to express my feelings. I have a 8 year old son that loves his grandparents on both sides. He usually spends the night with my in laws whenever he has days off from school etc. I also have a brother in law who is 15 years old and he is this “YouTube” celebrity. Anyways, on Friday , I found out that he has been doing things to my son while he sleeps over to put it on his Instagram and YouTube page and I was LIVID but Hurt more than anything! I saw 2 videos that he posted, my son sleeping and he’s repeatedly hitting my son in the face with a pillow and laughing 😡 just over and over again, then he puts a video where he fills up a cup of water and pours it on my sons face and is making fun of him saying “wow he doesn’t even move” and laughing .. then he puts “every time he comes over, he gets pranked”

guys, I immediately felt this sense of hurt and anger at the same time, I rushed to pick him up because he was supposed to spend the night the entire weekend. My motherly instinct just broke down and cried because I couldn’t believe he would do these things to my 8 year old son!!!!! I felt guilty sleeping thinking he was okay. Just made me think, “what else has he done”

I am still hurt about it, my husband is even more hurt and we can’t believe he has done such a thing. What do you guys think ?