( CNN ) -- Authorities believe they have found the final victim of a deadly landslide in Washington state . A rain-saturated hillside along the Stillaguamish River gave way on the outskirts of the town of Oso on March 22 . Authorities announced Tuesday that workers found a body believed to be that of Molly Kristine `` Kris '' Regelbrugge . Local health officials will confirm the identification of the body once it 's recovered . `` It is a testament to the persistence of the sheriff 's office that today , four months after the slide , we recovered the final victim , '' Snohomish County Executive John Lovick said in a statement . `` The sheriff 's search and rescue teams are true professionals . I am honored and humbled by their dedication and commitment to this community , '' he said . Search crews had been digging through deep mud and debris , which was 70 feet thick in some places , to search for the missing . Including Regelbrugge , 43 people are thought to have been killed in the March slide . CNN 's Matthew Stucker , Mayra Cuevas and Steve Almasy contributed to this report .
It 's been four months since a rain - saturated hillside in the state gave way . # ##ers have been digging through deep mud and debris . Forthy - five people are believed to have been killed in the March slide .