During an interview on WNYC this morning, a caller asked Bill de Blasio why he supports the NYPD's controversial surveillance tactics, which critics say unfairly target Muslims.

De Blasio corrected the caller by saying that the NYPD's tactics, as initially reported, appeared to have been conducted legally, but that the latest revelations were unacceptable and in need of review.

"We have not been leveled with by the NYPD that, in fact, the kind of surveillance happening is much broader and not based on specific leads," de Blasio told the caller. "And I have spoken out clearly and said we need to do a full review of all surveillance efforts, and anything that is not based on specific leads should not continue."

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