In some major media outlets, Sunil Tripathi name now being retracted as Suspect #2 in the news. Maybe his name was just being used as a decoy on the PD scanner? Reports are that the suspects are foreign and have been in the country for about a year.
http://www.buzzfeed.com/andrewkaczyn...-student-are-s
But now some potential practice explosions prior to the attacks are being detailed:
http://blog.doodooecon.com/2013/04/s...rained-in.html