A man senselessly shot and killed an elderly couple—Anthony Gribble, 80, and Paula Gribble, 76—and Enrique Reyes, 64, a retired biology professor, this week in Greenville, North Carolina. A search warrant revealed the suspect had at least 50 guns in his home. https://www.nbcnews.com/news/us-news/son-victims-held-triple-murder-suspect-gunpoint-deputies-arrived-offic-rcna187539