Baby Gabriel: Mike Watkiss talks about what goes into searching a landfill

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PHOENIX -- 3TV's Mike Watkiss talks about the search for 9-month-old Gabriel Johnson, explaining what goes into a searching landfill.

Investigators in San Antonio are preparing search a landfill for the baby, who has not been seen since Dec. 27. The child's mother, Elizabeth Johnson, told Gabriel's father that she killed the baby. She later said she gave him to a couple in San Antonio.

Watkiss says there are several parallels between the imminent search for Gabriel and a 12-year-old case in Tempe -- the search for Cookie Jacobson. Investigators scoured 4,000 tons of trash looking for Jacobson's body.