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SecurityQuiet 9d · day 10

CU Boulder student killed, another critical after Halloween party shooting

Boulder police shut down a crowded house party before gunfire broke out, killing a 19-year-old student and critically wounding another.

What to know

  • A 19-year-old CU Boulder student was killed and another critically injured after gunfire broke out inside a house on Marine Street after police had already shut down an overcrowded Halloween party there.
  • Police believe two unidentified men were involved in a group trying to force their way into the party shortly before the shooting and are publicly seeking them as persons of interest.
  • No suspects have been arrested; police say they have no indication the shooter remains in Boulder and are pursuing numerous leads from about 20 witness interviews.
  • CU Boulder's Dean of Students Office is reaching out to students affected, and officials describe the event as traumatic for the campus community.

“We know many witnesses were CU students”

Ashley Griffin, CU Boulder Police Chief · Denver Post ↗ · Oct 31

Stephen Redfearn Boulder Police ChiefAshley Griffin CU Boulder Police ChiefDevin Cramer CU Dean of Students

CU Boulder student killed, another critical after Halloween party shooting
Denver Post

How it unfolded 3 developments, newest first · click a bar or a number to jump articles

Peak 6 pieces in 3h at Nov 1, 11 AM; 10 pieces over 10 days (10 articles) Nov 1, 11 AM — 6 pieces · 6 articles — Google News 5, Newswires 1Nov 1, 2 PM — 2 pieces · 2 articles — Google News 2Nov 1, 5 PM — 1 piece · 1 article — Google News 1Nov 1, 8 PM — quietNov 1, 11 PM — 1 piece · 1 article — Newswires 1Nov 2, 2 AM — quietNov 2, 5 AM — quietNov 2, 8 AM — quietNov 2, 11 AM — quietNov 2, 2 PM — quietNov 2, 5 PM — quietNov 2, 8 PM — quietNov 2, 11 PM — quietNov 3, 2 AM — quietNov 3, 5 AM — quietNov 3, 8 AM — quietNov 3, 11 AM — quietNov 3, 2 PM — quietNov 3, 5 PM — quietNov 3, 8 PM — quietNov 3, 11 PM — quietNov 4, 2 AM — quietNov 4, 5 AM — quietNov 4, 8 AM — quietNov 4, 11 AM — quietNov 4, 2 PM — quietNov 4, 5 PM — quietNov 4, 8 PM — quietNov 4, 11 PM — quietNov 5, 2 AM — quietNov 5, 5 AM — quietNov 5, 8 AM — quietNov 5, 11 AM — quietNov 5, 2 PM — quietNov 5, 5 PM — quietNov 5, 8 PM — quietNov 5, 11 PM — quietNov 6, 2 AM — quietNov 6, 5 AM — quietNov 6, 8 AM — quietNov 6, 11 AM — quietNov 6, 2 PM — quietNov 6, 5 PM — quietNov 6, 8 PM — quietNov 6, 11 PM — quietNov 7, 2 AM — quietNov 7, 5 AM — quietNov 7, 8 AM — quietNov 7, 11 AM — quietNov 7, 2 PM — quietNov 7, 5 PM — quietNov 7, 8 PM — quietNov 7, 11 PM — quietNov 8, 2 AM — quietNov 8, 5 AM — quietNov 8, 8 AM — quietNov 8, 11 AM — quietNov 8, 2 PM — quietNov 8, 5 PM — quietNov 8, 8 PM — quietNov 8, 11 PM — quietNov 9, 2 AM — quietNov 9, 5 AM — quietNov 9, 8 AM — quietNov 9, 11 AM — quietNov 9, 2 PM — quietNov 9, 5 PM — quietNov 9, 8 PM — quietNov 9, 11 PM — quietYesterday, 2 AM — quietYesterday, 5 AM — quietYesterday, 8 AM — quietYesterday, 11 AM — quietYesterday, 2 PM — quietYesterday, 5 PM — quietYesterday, 8 PM — quietYesterday, 11 PM — quietToday, 2 AM — quiet 1–23
Nov 2Nov 3Nov 4Nov 5Nov 6Nov 7Nov 8Nov 9now · 5:49 AM ET
  1. 3

    National outlets confirm victim's age, investigation ongoing

    Wider coverage, including international outlets, confirms the killed student was 19 and that the second victim remains critically injured as the search for the shooter continues.

    1. first by Hindustan Times, 9d ago

  2. 2

    Police say shooter may have left Boulder, probe continues

    In a post on X, Boulder police said they have no information indicating the suspect(s) remain in Boulder and that they are pursuing numerous leads, after bringing about 20 witnesses in for interviews.

    “have no information to indicate the suspect(s) are still in Boulder and we are actively investigating numerous leads…”
    — Boulder Police (X post)
    1. first by Denver Gazette, 9d ago · also 9News, The Boulder Reporting Lab, Fox News, Channel 3000, CBS News, Colorado Public Radio

      5 more headlines
  3. 1

    CU Boulder police chief calls shooting traumatic for campus

    CU Police Chief Ashley Griffin said many witnesses were CU students and that the university's Dean of Students Office is reaching out to those affected.

    “This is an incredibly traumatic event for our campus community.”
    — Ashley Griffin, CU Police Chief
  4. background

    Police detail shooting, seek two persons of interest — At a Sunday news conference, Boulder Police Chief Stephen Redfearn said officers believe the two sought individuals were present when a group tried to force their way into the party or home, shortly before the shooting occurred inside.

  5. background

    Gunfire erupts at the home, two students shot — About an hour after the party was broken up, police began receiving calls about a shooting at the house; officers found two 19-year-old victims with gunshot wounds, who were taken to Boulder Community Health, where one later died.

  6. background

    Police shut down overcrowded Halloween house party — Boulder police responded to a noise complaint at a party attended by hundreds on Marine Street; after it met the threshold for a nuisance ticket, officers began shutting it down. A core group, including residents, stayed after the crowd dispersed.

Also covered reported alongside — the timeline has no entry for these yet

  1. first by Daily Camera, 9d ago · also Denver Post