Dead Boston bombing suspect Tamerlan Tsarnaev and another man — who was killed by the FBI on Wednesday — murdered three people in Massachusetts after a drug deal went wrong in 2011, law enforcement sources tell NBC News.Sources say that what began as a drug ripoff ended in a triple homicide when Tsarnaev and friend Ibragim Todashev realized their victims would later be able to identify them.Todash...

While Oklahoma begins to clean up after a ferocious tornado, the site of one of the worst twisters in American history — Joplin, Mo., a little more than 200 miles away — is marking a solemn anniversary.On May 22, 2011, a tornado all but wiped Joplin off the map. The twister killed 161 people, injured more than 1,000 and wrought almost $3 billion worth of damage. It was clocked at more than 200 mph...

The Arizona jury deliberating on whether Jodi Arias deserves the death penalty for the brutal murder of her former boyfriend questioned the judge in the case on Wednesday about what to do if they can't reach a decision.Judge Sherry Stephens gave the jury further instructions and sent them back into the jury room to resume deliberations.In announcing the apparent early deadlock, Stephens said she c...

By Elizabeth Chuck and Gabe Gutierrez, NBC NewsA mother who sought shelter in a 7-Eleven that collapsed under the force of tornado winds, killing both her and her four-month-old son, are among the victims whose names were released by Oklahoma's chief medical examiner Wednesday.Megan Futrell, 29, had just picked her son Case up from his babysitter on Monday in Moore, Okla., when she saw the tornado...