Mayor Booker said the children were receiving counseling.

Mayor Booker spoke with the victims families and offered his condolences.

"It's clear we have a problem," Mayor Booker said.

Meanwhile, the union has waged a very public battle against Mayor Booker over school vouchers, and many think the billboard campaign is part of this effort.

Mr. Muhammad said that such an attitude troubled him, coming from an official appointed by Mayor Booker.

Mayor Booker said he would make his endorsement announcement at a separate, undisclosed location that day.

Mayor Booker is young, smart and likable, but restoring his city to prosperity is not going to be easy.

At one point, Mayor Booker's father sauntered through as hip-hop music blared from living room.

Mayor Booker said the report was meant to help the city correct its dysfunctional ways, not besmirch Mr. James's reputation.

He ended this by saying, "Your move, Mayor Booker."