Wall Street is counting down the days until the retirement of Sen. Carl Levin.

From his perch atop the Senate Permanent Subcommittee on Investigations, Levin (D-Mich.) has antagonized big finance by doggedly pursuing banks for bad behavior such as laundering money for drug cartels or helping the wealthy hide money in offshore accounts.

To Levin, the subcommittee’s extensive reports and question-and-answer sessions were a chance to bring accountability to some of the world’s most powerful institutions, including Goldman Sachs, JPMorgan and even Apple.

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Dennis Kelleher, who heads the financial reform group Better Markets, said Levin’s work sets “the gold standard for how someone should investigate Wall Street.”

Levin, who will retire at the end of 2014, has no qualms about taking financial giants to task if their bad behavior merits it.

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Read full The Hill article here.