Missouri mom, teen daughter gunned down by elderly neighbor over noise complaint in murder-suicide

A 73-year-old neighbor in Missouri shot and killed a mother and her teenage daughter following a noise complaint. The teen daughter was shot in the head while attempting to provide first aid to her wounded mother. The perpetrator subsequently committed suicide. The victim's twin sister revealed that she and her sister had planned to play college lacrosse together. This tragic murder-suicide incident has left a family devastated after the neighbor's violent reaction to the noise dispute.