The biggest criminal investigation in state history began with a 911 call in which a father said his 20-month-old daughter was last seen about 10 hours before.

Group demands criminal charges be filed against the last people to see Ayla.

About 35 people gather to mark two years since Ayla Reynolds disappeared and to push for justice.

A group demanding action on the missing toddler’s case plans to meet Saturday at the police department on Colby Street.

The blond-haired, blue-eyed toddler who would now be 3 1/2 years old was last seen in December 2011 at her 29 Violette Ave. home.

On Dec. 17, 2011, Justin DiPietro calls 911 to report his 20-month old daughter Reynolds missing after finding her bed empty.

A morning-long search in Oakland Wednesday of woods, a field and pond turned up no clues to what happened to the child reported missing nearly two years ago.