Diona Maria Peterson

1 2 AP
Left and Center: Diona, circa 2005;
Right: Age-progression to age 14 (circa 2015)

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Vital Statistics at Time of Disappearance

  • Missing Since: October 4, 2005 from Santa Ana, California
  • Classification: Family Abduction
  • Date Of Birth: August 27, 2001
  • Age: 4 years old
  • Height and Weight: 3'0, 38 pounds
  • Distinguishing Characteristics: Biracial (Asian/Caucasian) female. Light brown hair, hazel eyes. Diona may use the last name Mochizuki. She is of Japanese descent and speaks English and Japanese.
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    Details of Disappearance

    Diona was last seen in Santa Ana, California on October 4, 2005. She was abducted by her non-custodial mother, Mika Mochizuki. A photograph and vital statistics for Mochizuki are posted below this case summary. A Federal Bureau of Investigation (FBI) warrant for unlawful flight to avoid prosecution was issued for her on January 5, 2007.

    Diona and Mochizuki are believed to be in Japan; Mochizuki was born in Tokyo, Japan. The child's whereabouts are unknown and her case remains unsolved.

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    Mika Mochizuki
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    Above: Mika Mochizuki

    Date of Birth: June 19, 1973
    Age: 32 years old
    Height and Weight: 5'2 - 5'5, 112 - 132 pounds
    Distinguishing Characteristics: Asian female. Brown hair, brown eyes. Mochizuki may use the name Mika Maria Peterson. Some agencies give her last name as Mochizulti. She is of Japanese descent and speaks English and Japanese.

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    Investigating Agency
    If you have any information concerning this case, please contact:
    Orange County Sheriff's Office
    714-647-7000

    OR
    Federal Bureau of Investigation
    California Office
    310-477-6565

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    Source Information
    The National Center for Missing and Exploited Children
    Orange County District Attorney's Office
    Interpol

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    Updated 5 times since October 12, 2004.

    Last updated December 31, 2015; age-progression updated.

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