India, Aug. 17 -- The first witness presented on Monday morning was Ian Whiffin, a manager at the digital forensic firm Cellebrite.

Whiffin was requested to examine the Apple Health data retrieved from Clancy's iPhone 13.

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.

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...