The Honolulu Police Department has opened internal investigations into two officers arrested on allegations of family abuse in separate incidents over the last week.

HPD Officer Roland Kam was detained Sunday in Kaneohe on suspicion of abuse of family or household members, unlawful imprisonment in the second degree and interfering with reporting an emergency or crime.

Kam, 49, was released on $1,000 bail, according to department arrest logs.

HPD’s Records Division said Kam’s arrest report was marked “confidential.” HPD spokeswoman Michelle Yu said that administrative and criminal investigations into Kam were still open as of Tuesday.

Kam, an officer assigned to District Four, which includes Windward Oahu, has since been reassigned to desk duty, Yu said.

Matthew Dvonch, a spokesman for the Honolulu Prosecuting Attorney, said the case remained under criminal investigation and no charges had been filed against Kam as of Tuesday.

Kam’s arrest came days after another officer was taken into police custody.

Officer Sterling Naki, who is assigned to District Eight in Kapolei, was arrested Friday on suspicion of abuse of family or household members at an apartment building in Kapolei, according to Yu and HPD arrest logs.

Naki, 42, was released after the Honolulu Prosecuting Attorney declined the case because there was “insufficient evidence to prove the case beyond a reasonable doubt,” Dvonch said.

HPD previously disciplined Naki after he covered for a colleague, Anson Kimura, who accidentally shot a bartender in the stomach while drinking in 2015. According to the department, Naki and another officer, Joshua Omoso, did not report the shooting when it happened and lied to investigators.

Both Naki and Osomo were originally fired by the department, but the terminations were reduced to 20-day suspensions through the arbitration process.

Following this week’s arrest, Yu said the department has opened an internal investigation into Naki, who also has been placed on desk duty in the meantime. Naki’s arrest report is also marked “confidential,” according to HPD’s Records Division.

Domestic violence-related complaints have historically made up a notable portion of the criminal allegations against officers investigated by the department, according to an HPD report detailing trends in complaints from 2016 to 2020.

The report — which was published last July and publicly released late last year after repeated requests from Civil Beat — noted that 31% of the 124 criminal complaints received by the department’s Professional Standard’s Office in 2020 were related to domestic violence.

Between 2016 and 2020, the Professional Standard’s Office investigated 45 complaints of abuse of family or a household member, a misdemeanor, and six officers were fired in connection with those complaints, according to the report.

The department’s latest disciplinary report, which covers misconduct cases that were finalized and still pending in 2021, shows that three officers faced discipline for abuse of family or household members last year.

The cases stemmed from incidents in 2019, 2020 and 2021 and the officers were not named in the report because two were in arbitration and one had a grievance pending.

Two of the officers were discharged in connection with the incidents, both of which included physical violence, according to the report. However, neither of those disciplinary decisions were finalized by the time the report was filed, which was in January 2022.

A third case, stemming from a 2019 incident in which the officer was accused of tackling a family member, resulted in a one-day suspension, but that case was still being arbitrated when the report was published.

All three cases were sent to the Honolulu Prosecuting Attorney, who did not respond to Civil Beat’s request for data regarding the prosecution of HPD officers in 2021 and 2022.