The record amount of overtime was more than double what was paid when Bloomberg took office.
The comptroller announced the audit Wednesday, amid a controversy over the Queens Library's spending.
Stringer heads to the general election after a race defined by former Gov. Spitzer's late entry.
Ex-governor Eliot Spitzer got the backing of CSEA, the state's largest union for public sector employees.
The proposal, which would allow bigger skyscrapers around Grand Central, now heads to City Planning.
Spitzer's campaign goes after Stringer for phantom "blue ribbom commissions" that were never proposed.
The struggling comptroller had a sandwich with DNAinfo New York, and said his campaign's far from done.
An average of 100 students were suspended every day and about 90 percent of them were black or Hispanic.
The former governor was just hours away from cruising onto the September primary ballot.
Eliot Spitzer has to collect thousands of signatures before the Thursday deadline.
The former governor visited Union Square to kick off his campaign for New York City comptroller.
City Comptroller John Liu's latest media coverage hasn't included mention of his legal woes.
Stringer has been spending more time outside of Manhattan while preparing for a citywide campaign.
City Councilman Dan Garodnick will run for re-election in his East Side district.
John Liu's office recovered $2 million from insurers of individuals who ruined city property.
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