Susan Smith made a false claim that a man kidnapped her sons during a carjacking on October 25th, 1994.  After a 9-day search, she confessed to letting her car roll into John D. Long Lake and drowning her kids.  She was convicted of murdering her sons, three-year-old Michael and 14-month-old Alexander.

Website: https://www.drinkingthecoolaid.com/  

Resources:
American Justice - The Susan Smith Story (A Mothers Confession) - Bing video

LETTER FROM SUSAN SMITH TO TOM FINDLAY - HIS LETTER IN RESPONSE - CMM-Crime, Mystery & Mayhem (tapatalk.com)

The Sins of a Mother by Maria Eftimiades 

Is South Carolina's Most Infamous Lake Haunted? | Ghosts and Ghouls (ghostsnghouls.com)

DEATH RETURNS TO JOHN D. LONG LAKE - The Washington Post