Lindsay Clancy trial: The first witness presented on Monday morning was Ian Whiffin, a manager at the digital forensic firm Cellebrite.
Witness Ian Whiffin, Senior Digital Intelligence Expert at Cellebrite, on the stand during the Lindsay Clancy trial in Plymouth Superior Court, Plymouth, Massachusetts, U.S., August 17, 2026. Clancy is charged with murdering her three young children, Cora, Dawson and Callan, in their Duxbury home in 2013. Greg Derr/Pool via REUTERS (via REUTERS)
Whiffin was requested to examine the Apple Health data retrieved from Clancy's iPhone 13.
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The jury was presented with specific data extracted from Lindsay Clancy's cellphone, which included her heart rates on the day she took the lives of her children, as well as the number of flights of stairs she ascended.
Lindsay Clancy trial: Ian Whiffin testifies
Deep Dive
What data was retrieved from Lindsay Clancy's iPhone during the trial?
The Apple Health data retrieved included Lindsay Clancy's heart rates on the day of the incident, which fluctuated between 50 and 122 beats per minute, as well as her physical activity, such as climbing two flights of stairs shortly before the events.
Why did Paula Musgrove testify about Lindsay Clancy's mental health?
Paula Musgrove testified to express her love for her grandchildren and to portray Lindsay as a loving mother, while also revealing that Clancy had communicated feelings of being 'really sick' and experiencing worsening mental health prior to the tragic incident.
How did Lindsay Clancy's family interpret her mental health struggles leading up to the trial?
Lindsay Clancy's family, particularly her sister Allison Ozga, noted significant changes in her mood and behavior, with Clancy expressing suicidal thoughts and feelings of not being herself, leading them to believe she was facing serious mental health challenges before the tragedy.
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Ian Whiffin said that on January 24, 2023—the day she strangled her three children— her heart rate fluctuated between 50 and 122 beats per minute, as per NY Post.
Whiffin further informed the jury that the last recorded instance of Clancy climbing stairs was at 5:33 p.m., followed by another record at 5:38 p.m. He said that she had climbed two flights of stairs within that five-minute timeframe.
Clancy received a phone call from her former husband, Patrick Clancy, shortly after 5:33 p.m., but she did not answer. She returned the call at 5:34 p.m., and the conversation lasted for 14 seconds, as testified by Whiffin.
Patrick arrived home just after 6 p.m. to discover that Clancy had attempted suicide by jumping from her second-story bedroom window after allegedly killing the children with workout bands in their basement, faccording to his testimony.
‘My life turned to crap’: Lindsay Clancy
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Lindsay Clancy previously composed a note on her iPhone notes application, expressing that she once experienced happiness but then stated, "my life turned to crap."
"I was the healthiest, happiest mom. I worked out every morning, mediated, took care of myself and basically my life turned to crap," the note said.
Clancy's attorney, Kevin Reddington, presented the note to the jury while Ian Whiffin was providing testimony regarding his examination of Clancy's iPhone.
Lindsay Clancy trial: Prosecutors rest murder case against Massachusetts mom
Prosecutors concluded their case against Lindsay Clancy after presenting their final witness on Monday morning.
Over the course of the 14-day trial, which commenced on July 27, more than 70 witnesses have been summoned.
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Judge William Sullivan excused the jury to discuss certain matters with the attorneys, indicating that he would return them to the courtroom afterward.
Shweta Kukreti has over 8 years of experience in covering Indian and world politics. She joined the Hindustan Times in 2024 and is primarily assigned to the US desk. She currently works as Deputy Chief Content Producer and reports on a wide range of topics, including US politics, immigration issues (especially H-1B visa) and major global events. Shweta strongly emphasizes team operations, which encompasses monitoring news, delegating tasks, editing, developing comprehensive coverage strategies, and crafting engaging, and data-informed narratives. She received the Digi Star Award at the Hindustan Times within a year of joining for her broad coverage of US politics. In 2025, she earned both a promotion and a redesignation, a significant achievement recognising her contributions and the strong value she brings to the team. She has previously worked with the Indian Express, HTDS, ANI and Republic World. Seniors in all the media organisations recognised her work. Regarding education, she earned a BA (Hons.) in Political Science and a master's degree from Delhi University, and she pursued a PG Diploma in English Journalism from the Indian Institution of Mass Communication (IIMC). She also holds a diploma in Women's Empowerment and Development from IGNOU University and a French certification course from Alliance Française de Delhi. If not working, you can find her exploring the hills and engaging in adventurous activities in Rishikesh and Himachal Pradesh. She loves to play badminton, volleyball, and chess, and spend time with her friends and family. She also enjoys spiritual activities.
Stay updated with US News covering politics, crime, weather, local events, and sports highlights. Get the latest on Donald Trump and American politics along with Horoscope 2026.
Stay updated with US News covering politics, crime, weather, local events, and sports highlights. Get the latest on Donald Trump and American politics along with Horoscope 2026.
Home/World News/Us News/Who is Ian Whiffin? Another witness testifies at Lindsay Clancy trial, shocking iPhone note revealed - ‘My life turned…’
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