A police vehicle is parked at the Tops Markets on Jefferson Avenue in Buffalo on May 15, a day after a gunman murdered 10 people and injured three others.

https://buffalonews.com/news/local/authorities-investigating-if-retired-federal-agent-knew-of-buffalo-mass-shooting-plans-in-advance/article_bd408f18-dd39-11ec-be53-df8fdd095d6f.html