Not the best source, but apparently two of the agents who were involved in the death of Tamerlan Tsarnev (Boston Marathon suspect #1)  had a training accident and were killed in the incident.

I think I need more tinfoil for my hat.

Internet craziness? Perhaps.

The only other real link I could find was Prison Planet.

Make of it what you will.

Via an Email…Thanks, Bob

ETA: Apparently 90 miles beat me to the punch