An 88-year-old man stabbed his elderly wife to death in front of her horrified family inside their Staten Island home Thursday night, police sources said.

The 88-year-old victim was walking on 50th Street near Fifth Avenue in Sunset Park around 4 p.m. Sunday when the violent pair – a man and woman – approached her, police said.

An 88-year-old man stabbed his elderly wife to death in front of her horrified family inside their Staten Island home Thursday night, police sources said. The bloodshed erupted when an argument ...