EDITOR’S NOTE: This story includes graphic and disturbing details.

An Illinois mother had become “very invested” in the high-profile Lindsay Clancy murder trial before prosecutors say she killed her 2-year-old son on Tuesday, according to witnesses cited in court documents.

Corie Walsh, a 40-year-old resident of Frankfort, was charged with first-degree murder after prosecutors allege she fatally strangled her son, Barrett Walsh, according to a complaint filed on Friday and obtained by CNN affiliate WLS.

At the time over 1,000 miles away, the jury had been deliberating in the murder trial of Lindsay Clancy, a former nurse accused of killing her three children. Walsh had been discussing the case on a group text message with her friends up until 12:30 p.m. Tuesday, prosecutors said witnesses told them, according to court documents obtained by WLS.

Around 4 p.m., the Frankfort Police Department responded to a report of an unresponsive toddler before he was pronounced dead at a hospital, according to a Friday news release from police.