4 years later, admitted Santa Fe High School shooter still not competent to stand trial

TOPSHOT - Emergency crews gather in the parking lot of Santa Fe High School where at least eight people were killed on May 18, 2018 in Santa Fe, Texas. - At least eight people were killed when a student opened fire at his Texas high school on May 18,

On the day before the 4-year mark of the deadly shooting at Santa Fe High School, the admitted shooter remains not competent to stand trial.

Galveston County Criminal District Attorney Jack Roady released a statement on Tuesday. 

MORE SANTA FE SHOOTING COVERAGE

"Based on the testimony of medical experts, the court has ruled that the defendant is not competent to stand trial. The defendant remains in the custody of the North Texas State Hospital system and is being treated to restore his competency," Roady said in a statement. "Our office remains committed to prosecuting the defendant, and we are ready to do so as soon as the court rules that he is competent."

The suspect was last determined to be mentally incompetent in February. 

DETAILS: Admitted Santa Fe HS shooter still not competent to stand trial nearly 4 years later

Eight students and two teachers were killed in the shooting on May 18, 2018, and 13 others were injured.

TIMELINE: What happened that horrific day

A dedication is planned for Wednesday to remember the victims of the tragedy.