Lindsay Clancy Case: What the Toxicology Screen Found in Her Blood and Urine

 Three witnesses, one clear throughline: what was documented at the scene, and what was actually in Lindsay Clancy's system. Clancy, 34, of Duxbury, Massachusetts, is on trial for strangling her three children — 5-year-old Cora, 3-year-old Dawson, and 7-month-old Callan — with exercise resistance bands inside the family's Summer Street home on January 24, 2023. She faces three counts of murder and three counts of strangulation, has pleaded not guilty, and attorney Kevin Reddington is arguing insanity, built on severe postpartum psychosis and psychiatric overmedication.

Trooper Johnathon O'Loughlin testified first, detailing the photographs, drawings, and notes he took cataloguing items of interest — the groundwork for everything that followed. Then the lab took over. Hillary Griffiths of the Crime Lab's toxicology unit testified to which drugs were actually present in Clancy's blood at the time. Lisa Yelle, who worked toxicology at the lab when this happened, described the "general unknown screens" run on both blood and urine — panels that check for hundreds of substances and come back simply detected or not-detected. It's about as unemotional as testimony gets, and that's exactly why it carries weight.

For a defense built on overmedication, this is the testimony that either backs the theory up or forces a harder conversation. Prosecutors Jennifer Sprague and Shanan Buckingham are letting the lab work do the talking. After the killings, Clancy allegedly attempted suicide by jumping from a second-story window and is now paralyzed from the waist down. The trial continues before Judge William F. Sullivan in Plymouth Superior Court.

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 This publication contains commentary and opinion based on publicly available information. All individuals are presumed innocent until proven guilty in a court of law. Nothing published here should be taken as a statement of fact, health or legal advice.

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