After two months of investigation, police officials have concluded that a high-ranking officer responsible for combating workplace harassment in the New York Police Department wrote dozens of virulently racist posts about Black, Jewish and Hispanic people under a pseudonym on an online chat board favored by police officers.

The officer, Deputy Inspector James F. Kobel, filed his retirement papers late last week as the departmental inquiry was winding down. But the officials said on Monday that they still planned to bring administrative charges against him as soon as this month for falsely denying that he had written the offensive messages.

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“The evidence is strong,” said one senior police official who spoke on the condition of anonymity to discuss a personnel matter. “We have no doubt that it’s him.”

Read more at New York Times.