Interactive: Find out more about mass killings in the U.S.
Find out details about killings in the U.S. since 2006 where four or more people, excluding the assailant, died in a 24-hour period.
Police say eight people have been found dead in suspected homicides after a fire was extinguished at a Tulsa-area house. Police are mum; get updates here.
A white supremacist who killed 10 Black people at a Buffalo supermarket was sentenced to life in prison without parole Wednesday after listening to relatives of his victims express the pain and rage caused by his racist attack.
The man who killed 10 people at a Buffalo grocery store May 14 was removed from court Wednesday after a man lunged at him during the tense sentencing proceeding.
Students may need a listening ear and reassurance in the aftermath of having witnessed a school shooting.