Oh yes: Susan is very much a go-to example, blaming a black man on suddenly carjacking her while she was taking a supposedly leisurely drive with her children, much like Diane Downs, another woman who claimed her children were some how fatally, or near fatally, assaulted during a random crime that happened while driving in the middle of nowhere.
It’s long been a standard diversion for mothers who murder their own children: blame the scary unknown and violent male who is usually a minority. It plays into racial and economic tensions, strokes feverish lizard-brain beliefs, triggers erroneous emotional responses, and distracts from the truth that most people don’t want to believe: that parents are not just capable of, but frequently responsible for, homicidal violence against their own children.