Philippine police have arrested three suspects linked to the murder of American marine biologist Dr.Kent Edward Carpenter, who was shot dead at his home in Sibulan, Negros Oriental on July 8, 2026.Two suspects, Mark Bucog and Jal Filipinas, were apprehended in Barangay Ajong on July 15, while the third, Ciem Diputado, surrendered on July 17.Police allege Bucog shot Carpenter, with Filipinas allegedly involved in the crime.Diputado is suspected of aiding the suspects.The victim, a U.S.-based researcher, was found dead in his residence.Investigators confirmed the suspects' roles through forensic evidence and witness statements.The case highlights ongoing challenges in resolving violent crimes in the region.Authorities emphasized that the arrests are part of a broader effort to combat criminal activities and ensure justice for victims.