"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

Shafiqur Rahman, a deputy commanding officer of the Bangladesh Border Guard in Teknaf, said his guards detained at least 110 people from Myanmar on Wednesday.

CNN: STORY HIGHLIGHTS

"Today's announcement and public plea for assistance is a significant milestone in our commitment to solving a series of missing and murdered women investigations in British Columbia, " said Deputy Commissioner Craig Callens, commanding officer of the RCMP in British Columbia.

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"Cellphone theft is one of the most important crimes we deal with in this community, " explained Deputy Inspector Ted Bernsten, the 19th Precinct's commanding officer.

WSJ: Back on the Crime Beat