just please help

my little brother is being groomed...what the fuck do I do, I realized by looking through his messages that we was getting groomed on discord and I went to look through his messages more and HE LITERALLY SENT HIS DICK PIC SAYING IT WAS SOMEONE ELSES I SAW HIS TROUSERS IN THE PIC PLEASE HELP IM FREAKING OUT WHAT DO I DO I WANT TO ACTUALLY. BURN MY EYES WHATS WORSE IS I HAD A DREAM THAT SOMETHING BAD HAPPENED TO MY LITTLE BROTHER AND IT WAS TRUE WHAT THE FUCK PLEASE HELP I DONT KNOW WHAT TO DO HES ONLY 8 8 FOR FUCKS SAKE