This is the latest case in a documented cluster that accelerated with the trial of Lindsay Clancy who admits to having strangled her three children in Duxbury, Massachusetts, in January 2023.
One X user who has been tracking local reports since the Clancy case listed 82 mothers who killed 123 of their own children, with 37 more attempts in which 52 children survived.
Source: Clancy Contagion Spreads: Queens Mom Kills Her Kindergartener