Philippine police announced Thursday that four suspects are now in custody following the deadly home invasion that claimed the life of American marine biologist Kent Carpenter, 73, at his residence in the coastal town of Sibulan in Negros Oriental province.
According to authorities, three men forced their way into Carpenter’s home last Sunday in what investigators believe was a planned robbery. One of the intruders allegedly shot Carpenter in the head with a handgun while he was seated on a sofa. A second suspect assaulted Carpenter’s Filipino companion, forcing her into a room and raping her.
Before fleeing the scene, the men took a laptop, a backpack, and an undisclosed amount of cash, according to national police spokesperson Col. Allen Rae Co. A fourth individual, who served as a lookout outside the property, later surrendered to police and is said to have provided key information about how the crime unfolded. A fifth suspect connected to the break-in remains at large.
Co noted that one of the arrested men had previously been hired by Carpenter to perform carpentry work at the home, and that the alleged shooter is among those in custody.
“All indicators as of now point to the fact that the attack was not connected to (the American’s) work,” Co told reporters. “It was really a planned robbery. So, we are still verifying why they killed the American marine biologist.”
Numerous U.S. and Philippine universities and environmental organizations have expressed grief and disbelief over Carpenter’s death.
Carpenter had played a notable role in international legal proceedings, having testified on behalf of the Philippine government during its arbitration case against China over territorial disputes in the South China Sea. His expert testimony addressed the environmental consequences of China’s island construction and fishing operations in the contested region, according to former Philippine officials familiar with his involvement.
In July 2016, an international arbitration panel based in The Hague ruled against China’s broad territorial claims and highlighted the environmental harm caused by its island-building activities in the disputed waters. China rejected the panel’s authority, declined to take part in the proceedings, and dismissed the ruling entirely.
Carpenter had spent considerable time as a lecturer and researcher at Silliman University in Negros Oriental. He had also served as a biological sciences professor at Old Dominion University in Norfolk, Virginia, since 1996.
His research centered on the Philippines and the Coral Triangle — the biodiverse region between the Indian and Pacific oceans — and had a lasting influence on conservation efforts worldwide, according to Old Dominion University officials. They noted he was in the Philippines on an extended research assignment and had planned to retire in September.
“He dedicated his career to expanding our understanding of the world’s bodies of water and protecting some of its most vulnerable ecosystems,” Old Dominion President Brian Hemphill said in a statement.
