Illinois Halloween Party: What We Know

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Who killed Giana Dettloff at the Illinois Halloween party? Police in Bloomington, Illinois, say nine people were shot at an outdoor Halloween house party a few blocks from Illinois Wesleyan University early Sunday, Nov. 1, 2026. Giana Dettloff, 19, a North Central College freshman and cheerleader from Carol Stream, was killed. As of Wednesday, Nov. 5, no one has been arrested, and police say they don't yet know who fired or why.

What's confirmed

1. Sun., Nov. 1, about 1:20 a.m.officers handling a call several blocks away heard gunshots; police say the first officers arrived within one minute and began caring for the most critically injured. (Bloomington Police Dept. via WGLT)
2. About 150 to 200 people were at the outdoor party, in a shared backyard near Illinois Wesleyan's baseball field. (Bloomington police via WGLT, WEEK 25 News Now)
3. Police Chief Jamal Simington: "This party was noticeably peaceful, jovial and there were no disturbances witnessed or reported prior to the shooting." (WGLT, Nov. 2; WGEM, Nov. 3)
4. Nine people were shot: one killed, eight wounded. Police updated the count from eight to nine on Nov. 2. (WGLT, WEEK 25 News Now, WGEM)
5. The McLean County coroner identified Giana Dettloff, 19, of Carol Stream. She was a Glenbard North High School graduate and a freshman on the North Central College cheer team, in Bloomington visiting one of her best friends, police said. (WGLT, WGEM, FOX 32 Chicago)
6. The chief said he was with her parents when they learned: "She was their only daughter ... full of life, a sweet girl with a very bright future." (WGLT, Nov. 2)
7. Police said in a news release that "there is no ongoing threat to public safety" and that the shooting appears to be isolated. (Bloomington Police Dept. via WGLT / NPR Illinois, Nov. 1)
8. Police opened an online portal for phone video, doorbell, security and dash-camera footage from the area. (WGLT, Nov. 5; WEEK 25 News Now, Nov. 2)
9. As of Wed., Nov. 5no arrests; two of the eight wounded were still hospitalized in stable condition. (WGLT, Nov. 5)

What we don't know

• Who fired, how many people were involved, and why. Police say they don't yet know.
• Police say there are still witnesses they want to hear from.
• We are not reporting details about the individual people who were wounded.

What happens next

• Bloomington police are asking anyone with video or information to come forward: Det. Pedro Diaz, 309-434-2532.
• Any charges would be decided by the McLean County State's Attorney after an arrest. We'll update this when there's an arrest or a charge.

Chapters

1. 0:00Bloomington Halloween party: the night
2. 1:05Giana Dettloff: who she was
3. 1:42Bloomington shooting: what police have said
4. 2:14Bloomington shooting: where it stands

Sources

1. WGLT / IPM Newsroom, Nov. 1, 2026 Reportingnprillinois.org/illinois/2026-11-01/1-killed-7-others-injured-in-shooting-near-illinois-wesleyan-university-campus
2. WGLT, Nov. 2, 2026 Reportingwglt.org/local-news/2026-11-02/19-year-old-killed-in-halloween-mass-shooting-near-iwu-is-identified-as-police-continue-to-search-for-who-and-why
3. WGLT, Nov. 5, 2026 Reportingwglt.org/local-news/2026-11-05/no-arrests-yet-in-halloween-mass-shooting-two-remain-hospitalized
4. WEEK 25 News Now, Nov. 2, 2026 Reporting25newsnow.com/2026/11/02/bloomington-police-release-more-information-deadly-weekend-shooting-near-illinois-wesleyan-university/
5. WGEM, Nov. 2-3, 2026 Reportingwgem.com/2026/11/02/qu-student-wounded-bloomington-shooting-now-stable-condition-per-police-chief/
6. FOX 32 Chicago, Nov. 2, 2026 Reportingfox32chicago.com/news/north-central-college-student-from-naperville-killed-mass-shooting

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Part of What We Know: open cases, confirmed facts only · YouTube playlist