His Siblings Gathered to Sell the Family Home. Then He Started Shooting.Joseph DeLucia, despondent over the sale of the Long Island house where he lived with his mother, killed three siblings, a niece and himself, the police said.
Source: His Siblings Gathered to Sell the Family Home. Then He Started Shooting. (https://www.nytimes.com/2024/08/27/nyregion/murder-suicide-long-island-syosset.html)