Two U.S. Navy SEALs are under investigation in the death of an Army Green Beret in Mali that occurred in June, according to reports Sunday.

Officials of the Navy's Criminal Investigative Service (NCIS) are investigating the death of Army Staff Sgt. Logan J. Melgar who was found dead in his room in embassy housing in Bamako, Mali. The two SEAL commandos who were Melgar’s housemates were members of the Navy’s SEAL Team 6 and were in Mali on a previously undisclosed mission to support French and Malian counterterrorism forces battling Al Qaeda’s branch in North and West Africa, known as Al Qaeda in the Islamic Maghreb, the New York Times reported.

According to the report, the death was being investigated as a homicide and investigators were also looking into Melgar's suspected asphyxiation. After Melgar’s death on June 4, an investigation was immediately launched by the Army's Criminal Investigation Division after the slain soldier’s superiors in Stuttgart, Germany, immediately suspected foul play and dispatched an investigating officer to the scene within a day. The investigation was transferred to the NCIS on Sept. 25.

"NCIS can confirm we are investigating the death of SSGT Melgar but beyond that, NCIS does not discuss the details of ongoing investigations," said Ed Buice, an NCIS spokesman, ABC News reported.

Melgar’s death was not publicly announced by the Pentagon at the time of his death as it is not required to disclose publicly every military fatality that occurs overseas.

The New York Times said Melgar was a 34-year-old veteran who had previously conducted two tours in Afghanistan. He was part of a small group of U.S. military personnel working in Bamako, Mali who were assigned to the United States ambassador there, Paul A. Folmsbee, so they could provide intelligence about Islamic militancies in the country in order to protect U.S. personnel against attacks. He also helped evaluate which troops of the Mali Army could be trained and equipped to build a counterterrorism force.

He was a native of Lubbock, Texas and graduated from Frenship High School in Wolfforth in 2001, according to the Frenship Independent School District’s website. Melgar enlisted in the army after graduating from Texas Tech University the school district said.

ABC News reported, Melgar enlisted in 2012 as a Special Forces candidate. He was assigned to the 3rd Special Forces Group (Airborne) in 2016, after completing Special Forces Qualification and Special Forces Engineer courses, the report added.

CNN cited a U.S. official saying the victim’s wife, Michelle Melgar, was notified that her husband's manner of death was a homicide. She told CNN: "I ask for privacy during this time — I hope that you will allow me to tell my story when I'm ready. I knew him best — he was my best friend. It's all so new — I'm sorry."

The circumstances surrounding his death are shrouded in mystery, with his superiors being told initially that he had been injured while wrestling with the SEALs.

There are no charges leveled against anyone yet in the death, which a military medical examiner ruled to be "a homicide by asphyxiation," or strangulation, the New York Times report said, citing three military officials who were familiar with the autopsy results.

The two Navy SEALs, who have not been identified, were flown out of Mali shortly after the episode and were placed on administrative leave.

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