Peter Cyrus Grammer, 26, of Mountain View on Hawaiʻi Island, was shot on August 25, 2020, on North Kulani Road just before 1 p.m. Responders found him gravely wounded in the roadway; he was taken to Hilo Medical Center and pronounced dead at 2:04 p.m. An autopsy found a gunshot wound to the chest and investigators classified the death as a homicide.

Detectives focused quickly on Dwayne CJ Cory Wallace Jr. of Puna. A public alert warned he was armed and dangerous; officers tracked the vehicle they believed he was driving to Orchidland on August 28. Wallace fled into brush but later surrendered; authorities reported he was armed and later had a loaded 20-gauge pump-action shotgun. Investigative accounts describe a domestic dispute involving Grammer’s girlfriend, Krystal Kahalioumi, that escalated onto the roadway. Those documents say Grammer’s mother was driving with him when Wallace blocked the road, Grammer raised empty hands, and a failed first trigger pull was followed by a second shot that struck him.

Kahalioumi was sought for questioning and arrested on September 10, 2020, in Hilo after being found in a stolen vehicle; police said she tried to flee and struck an unmarked police car. Wallace later pleaded guilty to second-degree murder and firearm charges and received a life sentence with parole eligibility after a mandatory minimum of 15 years. Does anyone have information about Grammer’s movements that afternoon or about witnesses who were in the North Kulani Road area?