Molokai police say a 39-year-old man was arrested on Wednesday in connection with a murder investigation.
Jeffrey K. Davis is in police custody and the investigation is ongoing.
Davis was found guilty of third-degree assault in 2010. In 2009, he was also found guilty of harassment and abuse of a family or household member.
On Tuesday morning, the body of a 19-year-old man was found in Mapulehu. He was identified as Koshari Kahikili.
Investigators say Kahikili had a suspicious head injury.
Kahikili's body was flown to Maui for an autopsy.