Authorities in the Philippines say a fourth suspect in the killing of American marine biologist Kent Carpenter has surrendered to the police. The Philippine National Police (PNP) reports that the suspect turned himself in early Friday morning at the Police Regional Office in Negros Island, according to PNP public information chief Col. Allen Rae Co. The PNP says the suspect also told investigators that he served as a lookout in relation to the killing.

The reports describe the surrender as part of an ongoing police investigation into Carpenter’s death. No further details about the suspect’s identity, the specific circumstances of the incident, or the status of other suspects are included in the provided accounts. The information presented focuses on the act of surrender and the suspect’s claim regarding his role. Police continue to pursue leads as they build their case.