[dead]

In the other four incidents, race was given and the perpetrator or perpetrators were white, Hispanic, and/or Indian.

Four incidents where the race was given. Why is there an "and/or" in that sentence? The race was given.

[Colofornian]

Four incidents where the race was given. Why is there an "and/or" in that sentence? The race was given.

Because of mixed race, likely.

Zimmerman, for example, had part Peruvian blood in him...