Growing up on a quiet Wallingford cul-de-sac, Lindsay Musgrove rode bikes with the neighborhood kids, practiced gymnastics on her front lawn and spent afternoons playing on a neighbor’s backyard pirate ship.
As she got older, classmates at Lyman Hall High School described an upbeat, outgoing student who gravitated toward cheerleading and healthcare — interests she took with her to Quinnipiac University in Hamden and eventually into a career as a labor and delivery nurse.
Today, Musgrove is known as Lindsay Clancy, the Massachusetts mother on trial for the 2023 killings of her three children. She is mounting what is commonly known as an “insanity defense” in the strangling deaths of 5-year-old Cora, 3-year-old Dawson and 8-month-old Callan, who were found in the basement of the family’s Duxbury, Mass., home with exercise bands around their necks…