District Attorney George Brauchler said he would decide by Friday whether to charge McKinney as a juvenile or adult.
A motion to continue the hearings until next week is under seal along with the entire file in both cases. Eight students were wounded in the shooting and survived. But the suspect's lawyer said in court that the 16-year-old goes by the first name Alec and uses the pronoun "he", Colorado Judicial Department spokesman Rob McCallum said.
A spokeswoman for prosecutors, Vicki Migoya, couldn't comment on the delay.
A second shooter was captured by an armed security guard.
Erickson is being accused of one count of murder and a further 29 counts of attempted murder.
Investigators have not discussed a motive for the shooting.
The event to recognize Castillo "was reportedly hosted by a student group from a different school, which advocates for gun control".
"We rushed him", Jones said. "Kendrick pushed him against the wall".
Kendrick's friends say he was friendly, had an infectious smile and gentle sense of humor. "He was a foot away from the shooter, and instead of running the opposite direction, he ran toward it".
Huawei ready to sign 'no-spy' agreements
Furthermore, concerns about Chinese law requiring Huawei to cooperate with China's intelligence agencies were simply hype. Ren Zhengfei, the company's founder and Meng's father, has denied espionage allegations and a link to China's government.
They said Kendrick planned to attend Arapahoe Community College.
Eight students were wounded.
Littleton Adventist Hospital said Friday it's still treating one patient, who is in fair condition.
During Tuesday's shooting at the school, the BOSS security guard fired his weapon, sources told KDVR.
The shooting happened less than 10 miles from Columbine High School, where on April 20, 1999, two gunmen, Eric Harris and Dylan Klebold, shot and killed 12 classmates and a teacher.
The Advocate obtained screenshots of Erickson's Facebook page, which show one of the teen's profile images containing a rainbow overlay celebrating Pride.
Castillo died protecting his classmates, leaping from his desk and charging the two school shooters to give other students a chance to escape. On Wednesday, students and community members gathered for a vigil at the Highlands Ranch High School. The freshman democrat, who represents STEM and Highlands Ranch in the House of Representatives, said those gathered already "had his "thoughts and prayers" but deserved and "should demand more".
An American flag unfurls in the wind in a small tribute placed below the sign for STEM School Highlands Ranch following Tuesday's shooting, in Highlands Ranch, Colo., Thursday, May 9, 2019.