"Boston reinforced the need for it, " said Deputy Chief Michael Downing, the commanding officer of the police department's counterterrorism bureau.

WSJ: Cities Rethink Security After Boston Attack

"On behalf of Nancy's mother and siblings, we reach out to the community of Newtown and express our heartfelt sorrow for the loss of innocence that has affected so many, " said the family statement, which was read by Rockingham County, New Hampshire, Sheriff Michael Downing.

CNN: STORY HIGHLIGHTS

Downing Street's promotion of the Blairite Alun Michael over the popular Rhodri Morgan?

ECONOMIST: The road forks