“There is one exception, however, that runs through all of the data: violence against oneself.” The New Yorker’s Maria Konnikova takes a look at several studies in a quest to answer the question: Is there a link between mental health and gun violence? Shooting someone for a reason other than self-defense seems to provide something of a diagnostic test in and of itself.

+ A Florida State alum wounded three people on campus before being killed by police. One student posted photos of the books he claims saved his life.