A high-ranking Atlanta police official is now at the center of an investigation tied to a federal judicial misconduct case that has drawn attention across Georgia's legal and law enforcement communities. According to The Associated Press , the Atlanta Police Department confirmed this week that it has opened an inquiry to determine whether Deputy Chief Kelley Collier is the law enforcement officer referenced in a judicial disciplinary proceeding involving a federal judge. The case stems from findings that a judge engaged in a years-long extramarital relationship with a senior officer from a major agency within the judge's jurisdiction. According to court records reviewed by federal judicial authorities, the relationship included multiple encounters inside the judge's chambers during business hours. Investigators found that the judge and the cop even had sex with each other in the judge’s chambers, which occurred within earshot of courthouse staff.…