Rosenbaum had been reported as a missing person on Saturday, July 24, 2021. He was reportedly last seen alive on Thursday, July 22, in Pahoa town.
Shortly after 4:00 p.m., on Saturday, July 31, 2021. Puna patrol officers responded to the MacKenzie State Recreation Area after a fisherman reported locating a body on the rocks near the shore break.
Area I Criminal Investigation Section detectives responded to the scene to continue the investigation. Hawai’i Fire Department personnel assisted in repelling approximately 15 feet down the cliff to retrieve the decomposing remains. The victim was transported to the Hilo Medical Center for official pronouncement of death. Police believe the body had been there for approximately a week.
An autopsy was performed on Tuesday morning, August 3, and the forensic pathologist concluded that the victim died as a result of a gunshot wound to the head, and the manner of death was ruled homicide.
The Area I Criminal Investigation Section is continuing this investigation, which is classified as second-degree murder.
Police ask anyone who may have information relative to this investigation, or who may have seen Rosenbaum between July 22 and 24, to call the police department’s non-emergency number at (808) 935-3311, or Detective Jeremy Kubojiri of the Area I Criminal Investigation Section at (808) 961-2378 or email jeremy.kubojiri@hawaiicounty.gov or Lieutenant Rio Amon-Wilkins of the Area I Criminal Investigation Section at (808) 961-2252 or email rio.amon-wilkins@hawaiicounty.gov.