HILO, Hawaii (KHON2) -- An elderly woman was violently stabbed to death on the morning of March 29 on Olu Street in Hilo, according to Big Island police. Police say that the 81-year-old woman was stabbed in her face and was found unresponsive in her driveway. Family of siblings killed in Manoa fire appeals for help after theft Authorities were later able to identify the suspect in the murder case as 30-year-old Keone Peter Tosie Brown, where he was arrested on a neighboring property. Get Hawaii's latest morning news delivered to your inbox, sign up for News 2 You According to a witness at the scene, when Brown was done allegedly stabbing the woman, he turned his attention toward the witness and threatened her with a knife. The victim's identity is currently being withheld pending notification of next of kin. Police have this case classified as Murder in the Second Degree and Terroristic Threatening in the First Degree. Find more Hawaii, Oahu, Maui and Kauai news here Police ask any potential witnesses or those with any information to contact Detective Duane Rapoza Jr. at (808) 961-2383 or at duane.rapoza@hawaiicounty.gov. ...read more read less