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STEM School Highlands Ranch shooting: 9NEWS coverage of the tragedy

9NEWS' latest coverage on the shooting at STEM School Highlands Ranch in Douglas County, Colorado that left one student dead and eight others injured.

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HIGHLANDS RANCH, Colo. — An 18-year-old is one of two people in custody in the wake of Tuesday’s deadly shooting at STEM School Highlands Ranch, the Douglas County Sheriff's Office confirmed.

That suspect is Devon Erickson, the Sheriff's Office said.

He's being held on one count of suspicion of first-degree murder after deliberation and 29 counts of attempted first-degree murder after deliberation.

The second suspect is a juvenile female, who is not being named at this time due to her age.

Below is a list of 9NEWS coverage of the tragic STEM School Highlands Ranch shooting:

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RELATED: 'He was going to be something beyond what anyone could comprehend:' Kendrick Castillo's boss remembers his brilliance

RELATED: 'Perfect storm': District letter documents fears of another 'Columbine' at STEM School

RELATED: Teachers heroically kept students calm during STEM shooting

RELATED: STEM School students walk out of planned vigil, frustrated by political talk

RELATED: Investigators look into report STEM school security officer fired at sheriff's deputy

RELATED: STEM School Highlands Ranch closed for the rest of the week

RELATED: 'Admirable and inspiring': Aspiring Marine helped subdue gunman at STEM School Highlands Ranch

RELATED: Family of student who helped tackle shooter says they feel lucky

RELATED: How to talk to your kids about the deadly STEM School Highlands Ranch shooting

RELATED: Both suspects in STEM School Highlands Ranch shooting will be held without bond

RELATED: The history of STEM School Highlands Ranch

RELATED: STEM School Highlands Ranch shooting: Witnesses describe aftermath after 1 student killed, several injured

RELATED: ‘There was a shooting at my son’s school today’: A STEM School Highlands Ranch dad’s heartbreaking Twitter thread

RELATED: What is a STEM School?

RELATED: STEM School shooting: Ways to lend support

RELATED: No Notoriety: Should journalists share names, faces of killers?

RELATED: Douglas County sheriff pulled SRO out of STEM School last year in pay, performance dispute

RELATED: How one hospital's staff works to heal after STEM School shooting

RELATED: Tens of thousands have signed a petition to honor STEM School heroes at the ESPY Awards

RELATED: All patients released from Littleton hospital after STEM Shooting

RELATED: STEM School Highlands Ranch security guard saw muzzle of weapon, fired 2 rounds, sources say

RELATED: 'A guitar case with guns made it into the school': DougCo commissioners allocate $10M toward school safety

RELATED: Here's how you can submit encouraging messages for STEM School Highlands Ranch seniors

RELATED: 'We made a decision that was right for us': Student who helped tackle STEM School shooter explains that moment

RELATED: Douglas County school board holds first meeting following shooting at STEM School

RELATED: Celebration of life for Kendrick Castillo will be held Wednesday

RELATED: Blood drive to show support for STEM School Highlands Ranch on Wednesday

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