Video: Candice DeLong Weighs In On "Deadly Women" Michelle Carter, Gypsy Rose Blanchard and Andrea Yates

The AMBER alert system first debuted in 1996 as a collaboration between news media and police in Arlington, Texas. Named for Amber Hagerman, the alerts have helped find more than 1,000 abducted children.

On October 25, 1994, the 23-year-old South Carolina mother drowned her two young children.

In 2009, mother-of-two Susan Powell disappeared without a trace in West Valley City, Utah. Then in 2012, her husband Josh killed himself and their two sons after custody of the children was granted to Susan's parents.

On May 14, 2022, an 18-year-old gunman walked into the Tops Friendly Market and shot and killed ten people, injuring three others, in what authorities believe was a racially-motivated attack.

In February 2023, a routine vehicle tag check near a Winn-Dixie supermarket helped police locate the alleged kidnapper, 36-year-old Kristi Nicole Gilley, inside the store with the two children.

Tom Begaye Jr. left the 11-year-old child to die in the desert after “repeatedly hitting her on the head and face with a tire iron.”

Jennifer and Sarah Hart killed themselves and murdered their six adopted children in 2018 by driving their SUV off a cliff in California.

On Nov. 30, 2022, Athena Strand went missing from her front yard. Two days later, her body was found and 31-year-old Tanner Lynn Horner was charged with her murder.

Lauren Pazienza pleaded guilty to manslaughter and was sentenced to eight years behind bars for the 2022 shoving death of NYC music coach Barbara Maier Gustern.

‘I have days when I think she's alive. I have days when I think she's no longer with us,’ says Henderson Long of D.C.’s Missing Voices.