Two deadly cases of domestic violence — one in Louisiana and the other in Virginia targeting Black mothers — have sparked a national conversation about domestic violence prevention and mental health care resources available to Black communities. Specifically, advocates in the aftermath of the headline-grabbing cases say the tragedies highlight troubling underlying issues. They see Black women as more likely to experience domestic violence and are calling for the nation to confront disparities in access to care. Authorities say a man on Sunday fatally shot seven of his children and another child in Shreveport, Louisiana. And last week, police say, former Virginia Lt. Gov. Justin Fairfax shot his estranged wife and then killed himself.