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The alleged missing files date back to Hinterberger’s time in both of those units, this newspaper has previously reported. It’s not known what the nature of those files are.

Police said Monday that the charges relate to off-duty incidents between 2015 and 2018 and that the investigation is ongoing.

Hinterberger was released on a promise to appear in court.

The officer had, in recent years, been involved in a romantic relationship with the mother of a man with suspected ties to ISIL who was the subject of an RCMP terrorism investigation. It’s believed the two met in Hinterberger’s capacity as a police officer when the woman went to Ottawa police with concerns about her son.

Her son was arrested by the RCMP in August 2016.

National police arrested him on suspicion that he would engage in terrorism, after his mother handed over recorded audio conversations with her son. He was charged with uttering threats for allegedly vowing to avenge the 2016 death of ISIL supporter Aaron Driver, who was killed in a confrontation with police in Strathroy, Ont.

Federal prosecutors dropped the uttering-threats case against the man and stayed the charge in January 2017.

He was eventually released on a terrorism peace bond that required him to wear an ankle bracelet.

Both the RCMP and Ottawa police came to know about the relationship during the national force’s ongoing investigation into the woman’s son and the various breaches of his court-ordered conditions.