NEW YORK (CBSNewYork) — Police Commissioner James O’Neill took the ceremonial oath for his post on Monday, although he has actually been on the job since the weekend and has already presided over a high-profile crime.

O’Neill, a 58-year-old native of Flatbush, Brooklyn, has been with the department for more than 33 years – beginning as a transit officer.

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For the past two years, he had served as Chief of Department.

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He is the city’s 43rd police commissioner.

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Within his first day at the helm, O’Neill was dealing with a bombing that left 29 people injured on 23rd Street in Chelsea, and a second pressure cooker bomb that was found four blocks away.