Sure, you can post video. Please do.
But, "for arguments sake", there is a huge difference between 365' and 400'. "For arguments sake", throwing the ball from home plate over a 400' fence, based on physics, would require that he throw the ball roughly 109 MPH+ and, to my knowledge, this has never been done. Even throwing over a 365' fence would translate to about 100 MPH+ throwing velo.
Look, if you are not trolling and are serious with your inquiry, you can find a ton of helpful info here, but you gotta keep it real or it won't help your son any. Be aware that you can also search past threads here by topic and there is an enormous library's worth of valuable information for "this recruiting stuff" that can help you and your son (if actually your son and not you) tremendously.