Six months after siblings Lilly Sullivan, 6, and Jack Sullivan, 4, vanished from their rural Lansdowne Station home in Pictou County, Nova Scotia RCMP delivered another crushing blow Wednesday – specially trained cadaver dogs scoured 40 square kilometers but detected zero traces of human remains, leaving investigators baffled and families devastated.

The September searches marked the first deployment of cadaver dogs in the case, focusing on the property, pipeline trails, and areas around a pink blanket fragment linked to Lilly – yet handlers reported no alerts, signaling the dogs encountered no decomposition odors. “If the dogs did not alert, it suggests they were never in the presence of human remains odour,” explained RCMP Police Dog Services’ Staff Sgt. Stephen Pike.

RCMP renewed appeals for tips, stressing they’re exploring “all possible scenarios” in the May 2 disappearance that sparked Canada’s largest recent missing kids probe. Over 800 tips, 80 interviews, 8,000 videos reviewed – but zero breakthroughs, with a $150,000 provincial reward still unclaimed.

The nightmare began when mother Malehya Brooks-Murray called 911 at 10:01 a.m. May 2, reporting the kids missing from their Gairloch Road trailer after she woke to find them gone. Stepfather Daniel Martell claimed both slept through the night; the children, home sick from school, were last publicly seen with family May 1 afternoon.

Initial searches assumed wandering off – 160 volunteers, drones, helicopters grid-searched 8.5 sq km of dense woods, steep banks, thick brush. A boot print on a pipeline trail and pink blanket piece found 1 km away fueled hope, but sniffer dogs failed to pick up scents there early on. Another blanket scrap turned up in driveway trash; forensics confirmed it was Lilly’s, but yielded no leads.

By May 7, RCMP scaled back ground efforts, citing low survival odds in harsh terrain – no clothes, shoes, or toys ever found. Experts called it “unprecedented,” noting anomalies like zero evidence despite exhaustive hunts.

Suspicion swirled: Neighbors reported a vehicle revving back-and-forth after midnight May 1-2, but RCMP couldn’t substantiate, deeming it not “key.” Mother briefly suggested bio dad Cody Sullivan took them to New Brunswick; he passed a polygraph, as did others. Court docs reveal polygraphs on parents showed “truthful” responses; stepgrandmother’s was inconclusive.

No abduction evidence emerged – no Amber Alert issued, borders unchecked initially. Toll plaza footage requests covered potential exits, but nothing panned out.

Family fractures surfaced: Brooks-Murray left for her mother’s, blocked Martell on social media. Paternal grandma Belynda Gray demands broader searches, including vehicles and out-of-county homes. Mother posted pleas: “I am truly traumatized not being able to hear the sweet sound of their voices.”

Online rumors exploded – YouTube channels dissect every detail, fueling misinformation. Reddit threads timeline events, speculate foul play. Vigil for Jack’s Oct. 29 birthday drew crowds.

Ontario’s Please Bring Me Home volunteers rechecked waterways in October, echoing Dylan Ehler case parallels. RCMP collaborates across provinces, but updates sparse – last major one July.

Critics slam handling: No emergency alerts, delayed foul play consideration. Grandma calls for inquiry.

As winter looms, hope fades – but RCMP vows: “Collective efforts continue every day.” Tips: 902-896-5060 or Crime Stoppers 1-800-222-TIPS.

This vanishing defies logic – no scents, no remains, no clues in a searched-to-death zone. Families cling to miracles; nation prays for answers.