FAMILY CLAIMS MOTHER WARNED SCHOOL.

WHIT JOHNSON (ABC NEWS) (Off-camera) All right, Marcus Moore from Israel, thank you. We turn now to the mass shooting at a Georgia high school that claimed the lives of two teaches and two students. One student who had been in math class with the suspect just before the shooting, describes what she saw when he allegedly opened fire. And tonight, what we know about the reported warning from the mother of the alleged shooter. ABC's Faith Abubey is in Georgia. [ABSTRACT FROM PUBLISHER]