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Police dogs trained in detecting human remains will be taking part in upcoming searches for Lilly and Jack Sullivan — two young Nova Scotia siblings who went missing more than four months ago.

It is the first time RCMP Police Dog services teams specifically trained in human remains detection will be used in this investigation. Past searches have used police dogs that have the ability to pick up human scent.

RCMP confirmed Friday that searches will be taking place but would not provide details on dates, times or locations.

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Spokesperson Cindy Bayers said they were withholding that information “in consideration of the investigation and officer safety.”

She added there is “nothing definitive to support the children are deceased,” but that other searches to date have not located the children.

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“Deploying the human remains detection teams at this point aligns with the investigative efforts to date.  All scenarios are being considered; it’s critical for investigators to remain open to all possibilities to ensure our investigation is fully comprehensive,” she wrote in an email.

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The siblings were reported missing on May 2 from their home in Lansdowne Station in Pictou County. At the time, Lilly was six years old and Jack was four.

The children’s family has said the siblings wandered away that morning from the home, which is situated in a heavily wooded and rural area.

The investigation into their disappearance has included multiple searches by hundreds of volunteers and police from the surrounding area.

Investigators have also administered polygraph tests and conducted forensic examination on items such as pieces of a pink blanket believed to belong to Lilly.

More to come.

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