HONOLULU (HawaiiNewsNow) - Samoan police have charged a prominent playwright with the murder of retired UH professor Caroline Sinavaiana-Gabbard, former Hawaii Congresswoman Tulsi Gabbard’s aunt. Police say Samoan playwright Papalii Sia Figiel, 57, was charged with the murder at her home. She was initially arrested on manslaughter charges, but police upgraded the charge after finding “incriminating” evidence, including a small knife and hammer. A motive is still under investigation. Media outlets report the two women were colleagues and friends, and that Gabbard was Figiel’s mentor.