Authorities say a neighbor in House Springs, Missouri, shot and killed a 38-year-old woman and one of her 17-year-old identical twin daughters outside their home on Saturday night. The victims are identified as Jessica Lashly and Jersey Greer. According to police, 73-year-old neighbor Robert Winkelman is accused of carrying out the shootings. The reports state that after the attack, Winkelman attempted to kill himself. Emergency responders discovered the victims at the scene, and investigators are treating the incident as homicide and related attempted suicide. Police descriptions link the violence to a dispute between neighbors, described in coverage as petty, though details of the disagreement are not fully provided in the excerpts. No information in the provided sources explains a motive beyond the alleged prior local conflict. The case is under investigation, and officials have not indicated any further charges or outcomes beyond the accusation against Winkelman. The reports agree on the core facts: the victims’ identities, the location and timing, the alleged suspect, and the subsequent suicide attempt.