Miyazaki abducted and killed the girls, aged from four to seven, in his car before dismembering and sexually molesting their corpses. Miyazaki's crimes included not only kidnapping, murder, and necrophilia, but also vampirism, the preservation of body parts as trophies, and taunting the families of his victims. Miyazaki was arrested in Hachiōji in July 1989 after being confronted while taking nude photographs of a young girl. Miyazaki was diagnosed as having one or more personality disorders, but was determined to be sane and aware of his crimes and their consequences. Miyazaki was sentenced to death in 1997 and was executed by hanging in 2008.