He had drawn police attention in his Alaska home town for reports of domestic violence. Research on active shootings or mass killings has found that relatives were attacked in at least some cases. The most common factor in these mass killings, Fox said, involved people killing members of their own families. Out of the 318 mass killing incidents between 2006 and 2016, he said, about half involved family members killing relatives and loved ones. (Albemarle County Jail/AFP/Getty Images)Overall, Fox said, about 1 in 6 mass killers in their data had histories of domestic violence.

Source: Washington Post August 15, 2017 18:28 UTC