This report from our friends at KFOX in El Paso.
All four of the Young Park shooting suspects had their hearing Monday morning.
All four are being charged as adults and all four plead not guilty.

4 Young Park shooting suspects: 20-year-old Tomas Rivas, 17-year-old Nathan Rivas, 17-year-old Gustavo Dominguez and 15-year-old Josiah Ontiveros. (credit: KFOX14/CBS4)
Doña Ana County District Attorney Fernando Macias said all four suspects are being tried as adults.
“All four are going to be joined together, at least initially in terms of their cases. And again, we anticipate going forward, all four of them are being tried as adults,” said Macias.
The four suspects are 20-year-old Tomas Rivas, 17-year-old Nathan Rivas, 17-year-old Gustavo Dominguez and 15-year-old Josiah Ontiveros.
The defendants have been formally indicted on charges of first-degree murder, including conspiracy to commit murder.
Three people died and 15 others were injured after the shooting at Young Park on March 21 at a car meet.
Officials said all four suspects have a criminal history. Three of them had a criminal history together