Amy Talbot Hebert was born in 1967 in Lafourche Parish, Louisiana. She worked as a teacher's aide at Lockport Lower Elementary School in Lockport, Louisiana. Amy married Chad Hebert, and the couple had two children: Camille Catherine Hebert, born in 1998, and Braxton John Hebert, born in 2000. The couple divorced in April 2006, with joint custody of the children granted to both parents. Following the divorce, Chad Hebert entered into a new relationship, which reportedly caused Amy significant distress. Friends and family noted that Amy exhibited signs of severe depression during this period.

On August 20, 2007, in her home in Mathews, Louisiana, Amy Hebert fatally stabbed her two children, Camille, aged 9, and Braxton, aged 7, as well as the family dog. The children sustained multiple stab wounds: Camille had approximately 30–35 wounds to her torso, while Braxton had about 50–55, including wounds to both the front and back of his torso. Both children had defensive injuries on their hands and arms, indicating they attempted to fend off the attack. After killing her children, Amy inflicted multiple self-inflicted stab wounds to her abdomen, chest, neck, and wrists. She was found in bed alongside her deceased children by authorities responding to a welfare check prompted by concerns from her coworkers and family members.

Amy was arrested on August 21, 2007, and charged with two counts of first-degree murder. During her trial, the prosecution argued that Amy's actions were motivated by revenge against her ex-husband, Chad Hebert, due to his new relationship. The defense presented evidence of Amy's severe depression and mental instability, suggesting she was not in a sound state of mind during the commission of the crimes. Despite these arguments, Amy was found guilty on both counts on May 14, 2009. The jury deliberated on the death penalty but ultimately sentenced her to two consecutive life terms without the possibility of parole on June 18, 2009.

Amy Hebert is currently incarcerated at the Louisiana Correctional Institute for Women in St. Gabriel, Louisiana. Her subsequent appeals, including those to the Louisiana Supreme Court and the U.S. Supreme Court, have been denied, upholding her original conviction and sentence.