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 5-7pm 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 5-7pm ET on CNN.

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

April 17th, 2013
07:01 PM ET

Gov. Patrick: No one in custody

CNN's Wolf Blitzer talks to Massachusetts Gov. Deval Patrick about the ongoing bombing investigation in Boston.

RELATED STORY: Sources: Possible suspect sought in Boston bombing

April 16th, 2013
08:33 PM ET

Source: Bombs were in pressure cookers

CNN's Joe Johns looks at the nature of the explosives used in the Boston Marathon blasts.

RELATED: FBI releases new details on Boston bombs


Filed under: Boston Marathon bombings • Joe Johns
April 16th, 2013
07:09 PM ET

Third victim was a B.U. grad student

CNN's Wolf Blitzer reports the third victim in the Boston Marathon attack was a Boston University graduate student.

RELATED STORY: Sadness, resolve as Boston comes to grips with deadly marathon bombing

April 16th, 2013
06:17 PM ET

Bombing victim's mom: Everyone loved her

Patty Campbell says Monday's terror attack in Boston doesn't make any sense. Her daughter, Krystle, died in the bombing.

RELATED STORY: 'Boston will overcome,' mayor vows amid bombing investigation

April 15th, 2013
11:07 PM ET

Boston Marathon terror attack analyzed

CNN's Tom Foreman takes a closer look at how and where Monday's terror attack in Boston occurred.

RELATED STORY: Boy, 8, one of 3 killed in bombings at Boston Marathon; scores wounded


Filed under: Boston Marathon bombings • Terror • Tom Foreman
April 15th, 2013
11:05 PM ET

Obama: We will get to the bottom of this

President Obama reiterated that investigators do not yet know who is behind the explosions in Boston.

RELATED STORY: Boy, 8, one of 3 killed in bombings at Boston Marathon; scores wounded


Filed under: Barack Obama • Boston Marathon bombings • Terror
April 15th, 2013
11:02 PM ET

Watch Boston Marathon explosions

A photographer captured the two explosions at the Boston Marathon up close.

RELATED STORY: Boy, 8, one of 3 killed in bombings at Boston Marathon; scores wounded


Filed under: Boston Marathon bombings • Terror
April 15th, 2013
10:56 PM ET

Marathoner: Blasts 'absolutely surreal'

Boston Marathon runner Tom Hay talks to CNN's Wolf Blitzer about what he saw and heard during the explosion.

RELATED STORY: Boy, 8, one of 3 killed in bombings at Boston Marathon; scores wounded


Filed under: Boston Marathon bombings • Interviews • Terror
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