1: Introduction to Changes in NYPD Leadership on Blue Bloods.

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2: Frank Reagan takes charge as new NYPD Commissioner.

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3: Eddie Janko promoted to a higher rank in the police force.

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4: Jamie Reagan faces challenges in his new leadership role.

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5: Erin Reagan deals with office politics after leadership changes.

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6: Danny Reagan's approach to policing evolves under new leadership.

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7: Sid Gormley steps up as an influential figure in the department.

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8: Vanessa Cruz shakes up the NYPD with her unconventional methods.

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9: Conclusion on the impact of leadership changes on Blue Bloods characters.