Today's Situation Room:

Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.

Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.

April 30th, 2013
09:37 AM ET

Trainer: Citizenship rules upset Tsarnaev

Motivations behind suspect Tamerlan Tsarnaev's attacks are still unknown. But, his boxing trainer says he knows why he might have done it.

The former boxing trainer of Tsarnaev, John Allan, says he was "frustrated" with citizenship rules. Former CNN reporter and Entertainment Tonight host, Rob Marciano, speaks to Allan.


Filed under: Situation Room • Wolf Blitzer
April 30th, 2013
09:34 AM ET

See bombing suspect play with niece

We've seen him on surveillance video, but we've rarely heard him. Watch and listen to newly discovered video of Dzhokhar Tsarnaev.

The video, posted on Twitter in March, shows Boston Marathon bombing suspect Tsarnaev playing with his niece.


Filed under: Situation Room • Wolf Blitzer
April 30th, 2013
09:31 AM ET

Girl's stabbing death rattles small town

The mysterious killing of an 8-year-old girl has shaken a small community in California. CNN's Paul Vercammen reports.


Filed under: Situation Room • Wolf Blitzer
Federal charges filed in Boston terror attack
April 22nd, 2013
07:45 PM ET

Federal charges filed in Boston terror attack

Dzhokhar Tsarnaev was charged with one count of using and conspiring to use a weapon of mass destruction resulting in death and one count of malicious destruction of property by means of an explosive device resulting in death, according to a statement from the Justice Department. SEE THE CHARGES

RELATED STORY: Federal charges filed against Boston bombing suspect

CNN's Joe Johns looks at the order of events outlined in court documents filed against the surviving Boston bombing suspect.


Filed under: Situation Room
April 22nd, 2013
07:20 PM ET

Step by step timeline of Boston bombings

CNN's Tom Foreman breaks down recently released details of the Tsarnaev brothers' bombing of the Boston Marathon. (VIDEO)

RELATED STORY: Federal charges filed against Boston bombing suspect

April 20th, 2013
06:01 PM ET

Gripping blow-by-blow account of manhunt

Watertown, Massachusetts Police Chief Edward Deveau walks CNN's Wolf Blitzer through the series of events surrounding the Boston bombing suspects.

FULL INTERVIEW:

RELATED STORY: Terror, murder charges could be filed against Boston suspect


Filed under: Situation Room
FBI releases photos, video of Boston bombing suspects
April 18th, 2013
05:50 PM ET

FBI releases photos, video of Boston bombing suspects

The FBI released photos and video of two suspects in the Boston Marathon terror attack and are asking the public for help identifying them.

If you have any tips for the FBI, call 1-800-CALL-FBI or go to bostonmarathontips.fbi.gov.

RELATED STORY: FBI releases photos, video of Boston bomb suspects

SEE ALSO: Photos: Boston bombing suspects


Filed under: Boston Marathon bombings • FBI
April 18th, 2013
10:39 AM ET

Surgeon: Marathon as bad as Afghanistan

Dr. David King had finished running the Boston Marathon when the bombs went off, and he rushed to the hospital to help.

April 18th, 2013
10:34 AM ET

Examining photo evidence from bomb site

CNN's Chris Lawrence takes a look at how investigators are piecing together clues in the Boston Marathon bombings.

RELATED STORY: Healing in Boston as investigators seek 2 seen near bombing


Filed under: Boston Marathon bombings • Chris Lawrence • Crime • FBI
April 17th, 2013
08:29 PM ET

Mapping out the marathon terror attack

CNN's Tom Foreman and former FBI assistant director Tom Fuentes discuss three critical time periods in the investigation into Monday's Boston Marathon terror attack.

RELATED: Photos of evidence

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