A suspect was arrested in his nursing home last week for the unsolved murder of a 16-year-old student nearly half a century ago.Nearly five decades after her partially clothed body was discovered on the second floor of her Honolulu high school, modern DNA testing has led to an arrest that could solve the cold case murder of 16-year-old Dawn Momohara. Momohara, discovered with an orange cloth wound tightly around her neck, was found on the second floor of the English building at McKinley High School in Honolulu on March 21, 1977. She was a sophomore at the school at the...