The pregnant 17-year-old was last seen in early May. Her boyfriend, Jesus Avitia Jr., 18, pleaded not guilty Tuesday to murder. Fontana Police say he confessed to killing the girl, who reportedly was pregnant with his child.
Fontana Police also say Avitia admitted dumping Escamilla in the trash.
The search at the Rialto landfill could wrap up Wednesday afternoon and move on Thursday to a Corona landfill.
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