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Investigators are searching a South Florida landfill for the remains of Leila Cavett, a missing Georgia mother whose toddler son was found wandering alone in an apartment complex in July.

FBI Special Agent Michael D. Leverock said investigators are searching Pompano Beach's Monarch Hill Landfill on Thursday.

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Cavett was last seen on July 25 on security footage at a RaceTrac gas station in Hollywood, Florida.

Her 2-year-old son, Kamdyn, was found wandering alone in an apartment complex in nearby Miramar on July 26. The boy was barefoot and wearing only a t-shirt and soiled diaper.

A self-proclaimed "witch doctor" Shannon Ryan was arrested and charged with kidnapping and lying to the FBI about Kamdyn.

Investigators found blood droplets and a shovel inside Ryan's gold Lexus. A car identical to Ryan's Lexus was seen on surveillance footage outside the apartment complex just moments before Kamdyn was found by a resident.

Kamdyn remains in foster care while family members go through the legal process to gain custody of him.