One of the most touching scenes Duanne captured on film is the visit by two Portland police officers after his parents grew concerned about their son.

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Duanne Luckow already posted some of his videos on YouTube, for example, including this disturbing video tribute to a mythical girlfriend he shot in his backyard tent.

FORBES: Exploitation Or Honesty: Should Filmmaker Use Her Brother's iPhone Video Of His Own Madness?

Mental-health experts say the iPhone footage Duanne Luckow shot as he descended into madness in late 2010 offers a rare, first-person look at the mind of an untreated schizophrenic.

FORBES: Exploitation Or Honesty: Should Filmmaker Use Her Brother's iPhone Video Of His Own Madness?