Police are focusing on the final movements of a Quincy resident found dead in Weymouth earlier this week.
WEYMOUTH, Mass. — Detectives have opened a homicide inquiry following the formal identification of a 31-year-old man whose dismembered remains were pulled from Whitman’s Pond during a two-day recovery operation by state dive teams.
The victim, identified as Kerby Pierre-Louis of Quincy, was found after a missing person case took a dark turn on Tue., March 26. Norfolk District Attorney Michael Morrissey announced that the State Police and Weymouth detectives are now treating the matter as a criminal investigation. The state medical examiner’s office is currently working to determine the exact cause of death, while police search for leads regarding how the remains ended up in the recreation area. No suspects have been taken into custody as of Thursday evening, and the scene at the pond has been cleared of active search crews.
The investigation began to focus on the pond after detectives received credible information suggesting the water might contain evidence related to Pierre-Louis’s disappearance. Divers entered the water near Iron Hill Street on Tuesday afternoon and quickly located several items of interest. By Wednesday, officials confirmed that multiple body parts had been recovered from different areas of the pond. “This is a complex scene and a difficult investigation for everyone involved,” said a spokesperson for the District Attorney’s office. Investigators utilized specialized sonar technology to map the bottom of the pond before divers were deployed to specific coordinates to retrieve the remains in near-zero visibility conditions.
Pierre-Louis had previously been known to law enforcement due to his involvement in local drug trafficking, a factor that investigators are now weighing as they look for a motive. He had served time in state prison and was a known figure in the Quincy and Weymouth areas. Police are currently interviewing his family members and known associates to determine when he was last seen alive and who he was with. Local records indicate he was reported missing several days before the discovery at the pond, though an official Silver Alert was not issued at the time because he did not meet the specific criteria for that system.
The legal process is currently in the evidence-gathering stage, with investigators waiting for digital forensics to be returned from the victim’s mobile devices. Search warrants have been executed at several locations in Quincy as police look for the primary crime scene, as they do not believe the homicide occurred at the pond itself. Legal experts suggest that the nature of the disposal indicates a high level of deliberation, which could lead to first-degree murder charges if a suspect is identified and apprehended. The next major step in the procedural timeline will be the filing of an official death certificate, which will allow the family to reclaim the remains for a private service.
Residents in the surrounding neighborhood have shared their concerns about safety in the park following the discovery. “It’s a place where people take their kids and dogs, so to hear something like this happened is terrifying,” said Sarah Jenkins, who lives within walking distance of the pond. Police have increased patrols in the area to provide a sense of security, though they have reiterated that they do not believe there is an ongoing threat to the general public. Despite the grim discovery, the park has partially reopened to the public, though the specific area where the remains were found remains marked with orange flags as a reminder of the ongoing forensic work.
The District Attorney’s Office is expected to provide a more detailed update following the completion of the autopsy by the end of the week. For now, the focus remains on tracking the victim’s vehicle and cell phone pings from early March.
Author note: Last updated March 6, 2026.