https://apnews.com/8402d28b64bcb8fd032486f56ce478fa > A hard plastic case that exploded on the campus of Northeastern University in Boston causing minor injuries to a staff member contained a rambling note that railed against virtual reality and also referenced Facebook founder Mark Zuckerberg, a law enforcement official said Wednesday. > Investigators are still trying to identify the motive behind the Tuesday evening explosion and are working to understand why the package was specifically sent to Northeastern, the official said.