The suspect, who is 14, also waived his right to an arraignment hearing into charges of killing two students and two teachers and wounding others.

Colt Gray, who authorities say admitted to a shooting at his school that left four dead and nine injured, has entered a plea of not guilty, according to court records.

A 14-year-old Georgia boy indicted on murder charges in a mass shooting at Apalachee High School pleaded not guilty on Tuesday. Colt Gray’s lawyer filed papers entering the plea after Gray was indicted on Thursday.

Colt Gray, the accused gunman in the Apalachee High School shooting, has waived his arraignment and pleaded not guilty, according to recent court documents. The 14-year-old and his father, Colin Gray,