Diona Maria Peterson

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

  • Missing Since 10/04/2005
  • Missing From Santa Ana, California
  • Classification Family Abduction
  • Date of Birth 08/27/2001 (16)
  • 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.

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.

Mika Mochizuki

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.

Investigating Agency

  • Orange County Sheriff's Office 714-647-7000 OR Federal Bureau of Investigation California Office 310-477-6565

Updated 5 times since October 12, 2004. Last updated December 31, 2015; age-progression updated.