"...the tipster who blew wide open the case is reportedly a homeless Brown graduate who lived in the basement of the engineering building..." Where did you read this?
https://news.sky.com/story/how-a-reddit-post-blew-brown-univ...
> How a Reddit post blew Brown University shooting investigation wide open
> Frustration had mounted that the murderer had managed to get away and that a clear image of his face hadn't emerged - until a Reddit post finally put police on his trail.
Im a bit worried for the homeless guy, he helped solve the case but he likely blew up his cover and will have to find a new shelter.
https://kfanplus.iheart.com/content/2025-12-19-homeless-man-...
It was posted on a Fox News affiliate. He won't get the reward, because he called 911 rather than the tipline.