I know Brown well. As an empty nester, I’ve begun to spend more time at my family’s house in Rhode Island, not far from the university—though nothing is very far in America’s smallest state, only 37 miles wide. No suspect has yet been identified, but authorities took a “person of interest” into custody this morning. When a reporter asked whether that person was the suspect, a law-enforcement official responded, “It’s a small state. Put the dots together.”