Disappearance of Daylenn Pua

Dayleen "Moke" Pua disappeared on the Haiku Stairs, Oʻahu, Hawaii on February 26, 2015; he served as a senior at Ke Kula 'O Ehunuikaimalino, a Hawaiian immersion school in Kealakekua; he was climbing up the stairs and posting to social media prior to his disappearance, which remains unsolved to this day.

Kidnapping Theory
The most popular theory of his disappearance is that he was kidnapped by someone; the picture on the right was posted to his Facebook prior to his disappearance, and afterwards people noticed that the area circled in blue seems to show another person hiding. Due to this, many people believe he was kidnapped and was either murdered or is still being held to this day.