Last you saw Jeff Bauman, he was mangled, with a complexion reminiscent of Beetlejuice. Pushing Bauman's stretcher was a man in a cowboy hat who had shredded a sweater to make tourniquets for what remained of Bauman's legs.

Federal authorities have reportedly arrested three college students in connection with the Boston Marathon bombings. A source told the Globe that the three new suspects "helped" Dzhokhar Tsarnaev after the attack, and NBC's Pete Williams is reporting that they were his roommates at UMass Dartmouth. [Boston.com]

One week ago, Tamerlan and Dzhokhar Tsarnaev killed a police officer, engaged in a massive shootout that wounded another and left Tamerlan dead, and set off a manhunt that put Boston on lockdown. Many of the initial reports were a confused jumble, and we're only now able to recreate the Tsarnaevs' movements and…

Here's the May cover of Boston, made entirely of 2013 Marathon runners' shoes. I spy toe shoes.

The AP just published a story that sheds some light on how the elder Boston Marathon bombing suspect, 26-year-old Tamerlan Tsarnaev, reportedly came to adopt a very radical worldview in the years leading up to he and his brother Dzhokahr's attack on the Boston Marathon.

That's according to a statement issued this afternoon by the U.S. Department of Justice, which reads in part:

According to Watertown police chief, Edward Deveau, the elder Tsarnaev was alive when his younger brother ran him over in the Mercedes SUV they carjacked earlier.

The world had to wait a half hour, max, for people to speculate that the Boston Marathon bombing was a “false flag,” i.e., a disaster manufactured by the government and pinned on someone else for political ends. Among the first to apply his apparent omniscience and determine, based on virtually no facts, that the…