Oscar Casanova, 6, (from left) Karla Casanova, 7, and Fernando Casanova, 11, are reported to have been abducted at 2:30 p.m. on Friday from the 1800 block of North Richmond Street in Chicago. They may be in a a silver/gray Dodge Dakota with single Illinois license plate, No. 86196HB. (National Center for Missing & Exploited Children photo)

The Casanova children were seen picked up after school last Friday by the father of Oscar and Fernando, Benito Casanova. It wasn't until Monday that the body of their mother, Sofia Garcia, was discovered with a plastic bag over her head.

Benito Casanova

It's believed the father and children may be headed towards Mexico.

For further details, go to the Chicago Tribune story. To report a sighting, call 1-800-843-5678