1. The racial census data for 1980 and all years following are not directly comparable to those of other years because of changes in the way some persons reported their race, as well as changes in procedures relating to racial classification. 2. Excludes persons for whom age is not available. 3. Excludes persons enumerated in the Indian Territory and on Indian reservations. 4. Includes only those claiming one race only. 5. Includes American Indian and Alaska Native, Asian, Native Hawaiian and other Pacific Islander, and those claiming more than one race.
Only three people have died by firing squad in the US since 1976 - but this number is now set to rise. 1  Share. 2  Share.
Story Highlights. 1  FBI defines mass killings as at least four killed, not including suspect. 2  Over five years, 774 people died in mass killings, including 161 children. 3  Fewer than half of the killings involved lone gunmen.