Mass Killings in The United States (2026)

Miscellaneous and Personal Stuff I Must Share
21
  1. 20 May 2026 Chicago IL, 4 killed (arson) (Chicago police continue arson investigation as 4 deaths, including 2 foster children, in West Englewood fire ruled homicides - ABC7 Chicago) 6200-block of South Paulina Avenue “south side”

Incidents: 22
Killed: 107

22
  1. 22 May 2026 Yukon OK, 4 killed (DWI/wrong way on divided highway) (https://www.news9.com/oklahoma-city-news/5-things-to-know-deadly-yukon-crash-walmart-arson-arrest)

Incidents: 23
Killed: 111

23
  1. About 23 May 2026 Thorton CO, 4* killed (shot) (Colorado man fatally shot his family, himself, Thornton police say) familicide

Incidents: 24

Killed: 115

24

delete. Four injured, not killed.

25

  1. 27 May 2026 North Hills Los Angeles CA, 4* killed (shot) (North Hills murder-suicide: Woman believed to have killed husband, 2 children - ABC7 Los Angeles) familicide female killer

  2. 29 May 2026 Canadian County OK, (reckless driving/DWI) (Wrong-way DWI crash kills 4 in Oklahoma; Lone survivor charged

Incidents: 26
Killed: 123

26

7 dead in Muscatine, Iowa, basically my backyard. Details remain very sketchy as I write this.

27
  1. 1 June 2026 Muscatine IA, 7* killed (shot) (Muscatine shooting spree leaves 7 dead, suspect found dead)

Incidents: 27
Killed: 130

28
  1. 1 June 2026 Cheektowaga & Black Rock NY, 4 killed (shot) (Homicides in Cheektowaga and Black Rock that killed four believed to be connected)

Incidents: 28
Killed: 134

29
  1. 7 June 2026 Santa Maria CA, 5 killed (vehicular homicide/DWI) (5 Killed, 1 Critically Injured in Suspected DUI Crash in Santa Maria | Local News | Noozhawk)

Incidents: 30
Killed: 144

30
  1. 9 June 2025 Livonia MI, 4 killed (shot) (Four killed in Livonia home shooting, suspected arrested)

Incidents: 31

Killed: 148

31
  1. 23 June 2026 Mechanicsville UT, 4* killed (poison) (Client Challenge)

Incidents: 32

Killed: 152

32

First: it was 6 dead all together (5 victims plus the murderer).

Second, it happened in New York, not in Utah.

Third, the article doesn’t mention poisoning–did you find that information elsewhere?I don’t recall you mentioning poisoning before: what are the statistics in the cases you have listed over the years.

33

Thank you. Poisoning is suspected. If I am mistaken I will correct it.

poisoning suspected

More importantly if there were two killers, I will have to delete the incident. I only count mass killing by a single person.

34

A new #17;

  1. 11 April 2026 Moulton AL, 4 killed (DWI) (MSN) Garrett Cole Nix 4 counts of manslaughter, DWI
35

This may be a domestic: a woman and her daughter killed, a policeman killed, and the suspect a suicide:

36

I was waiting for clarity in the news reports. I will write this one up as soon as I finish my coffee.

37
  1. 5 July 2006 Rittman OH, 4* killed (shot) (Ohio police sergeant fatally shot responding to 911 gunshots call, suspect and 2 others also dead)

Incidents: 34

Killed: 161

38

A new #34

  1. 1 July 2026 Springfield TWP MI, 4 killed (DWI) (Virginia man charged with murder after I-75 crash kills family of 4 in Oakland County) four counts of second-degree murder

Incidents: 35

Killed: 165

39

  1. 3 July 2026 Oakland County MI, 4 killed (vehicular homicide/DWI) (https://people.com/virginia-man-charged-in-drunk-driving-crash-that-left-family-of-4-dead-in-michigan-report-12015882) 4 counts of second-degree murder

  2. 5 July 2026 Rittman OH, 4* killed (shot) (Ohio police sergeant fatally shot responding to 911 gunshots call, suspect and 2 others also dead)

Incidents: 36

Killed: 169

40

It’s not clear if this fits or not since two suspects have been arrested, one of them related to the victims. But it could be the case that one person did the killings and the other was an accessory.