US school shooting suspect interviewed about online threats last year
Brandy Rickaba and her daughter Emilie pray during a candlelight vigil for students and teachers killed at Apalachee High School in Georgia, US (Mike Stewart/AP)
A teenage boy charged with killing four people at his high school in Georgia was interviewed last year by police about anonymous online threats, the FBI said.
The 14-year-old opened fire at his high school outside Atlanta, killing four people and wounding nine.
