r/masskillers Dec 14 '25

ANNOUNCEMENT Absolutely NO footage or images showing victims of ANY mass casualty event will be allowed here.

156 Upvotes

This is a site wide rule regarding imagery of violence, and we're going to adhere to it. Posting this kind of content/asking for links to it will result in a permanent ban.


r/masskillers Feb 17 '23

What to do if you suspect a person is planning a mass shooting

1.1k Upvotes

There have been a lot of posts lately asking what to do if you suspect someone is planning to commit a mass shooting/mass attack of some kind.

If your suspicions are offline, local, and personal/someone you know personally:

If it is not an immediate threat, call your local non emergency line. They will collect information from you, and investigate further if need be. Remember, wellness checks can be requested as well.

If it is an immediate threat, call 911 (or your local equivalent emergency line). An immediate threat would be someone making direct threats.

If the possible threat is exclusively on Reddit, please reach out to us via Modmail. Often times, people who are being reported to us have made comments in the past that you cannot see as they’ve been removed by other means such as automod, for example. We also work with multiple other teams to gather information and build one report to FBI with as much information as we can possibly get in one single report.

This allows all information to be placed at once instead of multiple vague reports to the FBI, which can slow down resources.

At the very least, these processes will build a history for this person. If they are reported and nothing comes from it, a report a year later could help immensely. This happened through one sub I moderate on, and helped bring an arrest a year later when more threats were made, and the suspect was found with weapons and a manifesto.

We take all reports sent to us seriously, and we thank you all for helping us with these reports.


r/masskillers 12h ago

ON THIS DAY… 15 years ago, Anders Behring Breivik detonated a truck bomb in Oslo, before traveling to & carrying out an attack on Utøya, killing 77 people in total.

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294 Upvotes

r/masskillers 59m ago

Mugshot of 30-year-old Tsegaab Binessu, who shot and killed 3 people inside the leasing office of an apartment complex in St. Paul, Minnesota 2 days ago on July 20. He was later arrested 200 miles away in the city of Virginia, Minnesota

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Upvotes

r/masskillers 5h ago

The investigation into the fire at the Hongda Auto International Plaza in Henan, China, has concluded—it has been confirmed as arson. The fire, caused by a business dispute, resulted in 2 deaths and 2 injuries.

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25 Upvotes

Police Report Jinshui District Public Security Bureau, July 22, 2026, 09:09, Henan Province

At approximately 21:00 on June 19, 2026, a fire broke out at the Hongda International Automotive Plaza, resulting in 2 deaths, 2 injuries, and property damage.

It has now been determined that the fire was arson committed by Lu, a suspect in a business dispute. The suspect has been arrested on suspicion of arson, and the case is under further investigation.

Jinshui Branch of Zhengzhou Public Security Bureau, July 22, 2026


r/masskillers 12h ago

ON THIS DAY… On the fifth anniversary of the Norway attacks, in Germany, an 18-year-old David Sonboly shot and killed nine at a mall before committing suicide.

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90 Upvotes

r/masskillers 4h ago

The perpetrator of the arson attack in Zhengzhou, China, has been formally arrested.

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14 Upvotes

r/masskillers 3h ago

Nottingham attacks NHS trust faces manslaughter probe

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10 Upvotes

r/masskillers 1d ago

Fatih Khan Gazioğlu, who shot and killed 6 people at a youth welfare center in Stade, Germany on June 29, 2026, has died by suicide in his prison cell

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148 Upvotes

r/masskillers 22h ago

Discussion / Question How did Jakrapanth Thomma kill two police officers and a solider?

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65 Upvotes

The Wikipedia article says that 30 people were killed and 58 others were injured in the shootings Jakrapanth Thomma was a trained Thai soldier and at some point during the standoff at the mall the security forces decided to storm it to get to Jakrapanth but he ended up killing two police officers and one solider and injuring three more security personnel was it some sort of ambush that happened or a prolonged firefight that resulted in the deaths of the three security personnel?


r/masskillers 18h ago

Discussion / Question What ever came of David Esco Welch, a mass shooter that killed 6 people in 1986

23 Upvotes

For some context into my question, I'm a hobbyist researcher who is currently conducting a personal research project in American death penalty cases. The case that I'm inquiring about here is that of David Esco Welch, who was initially sentenced to death by the state of California for a 1986 mass shooting that killed six people inside an Oakland home. The slain victims consisted of his teenage ex-girlfriend, two of her brothers and her toddler daughter, and a mother and toddler aged son pair of house guests.

Although I currently cannot find any sources announcing a sentence vacating, Welch has disappeared from CDCR's condemned prisoners roster. He also seems completely missing from CDCR records as a whole. From my searches in the CDCR inmate search database, there is a prisoner by the name of David Welch of a relatively similar age with a parole suitability hearing of September 2029. But that David Welch's admission date is listed as Aug 28, 2003, is interned from Sacramento county instead of Alameda, and has the middle name of "Carol" instead of "Esco", and thus they might be entirely different individuals.

If he were among the many other Alameda County's former death row inmates (like Ernest Dykes, Curtis Ervin, and Mark Schmeck) released under the direction of then Alameda County district attorney Pamela Price, I would think that the parole of a prisoner that killed two toddlers and four other people would receive some considerable media coverage, and there is currently no sources mentioning that at all. Indeed, the last article I was able to find of Welch on google searches was a 2021 Mercery News article about Bay Area mass shootings, which claimed that he was still on death row.

The Death Penalty Information Center's census database claims that he died on death row, but he isn't among the 201 deceased death row inmates listed on the Condemned Inmates Who Have Died Since 1978 list on CDCR's website. To repeat myself a bit here, I've also have yet to find any outlets announcing his passing.

What transpired of him after his disappearance from CDCR's records? I'm currently at a complete dead end with researching Welch's whereabouts, and would greatly appreciate any help.

Sources on Welch:

1.https://caselaw.findlaw.com/court/ca-supreme-court/1705414.html

2.https://www.upi.com/Archives/1986/12/09/The-massacre-of-six-people-including-two-children-was/9233534488400/

3.https://www.sfgate.com/crime/article/Mass-murderer-David-Moochie-Welch-s-death-6342985.php


r/masskillers 1d ago

Discussion / Question would anyone be able to identify who this is?

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48 Upvotes

i saw a picture on tiktok where this individual was put around other mass or school attackers and i’ve been wondering who it is ever since i saw it. sorry if this doesn’t go here but not sure where else to ask because i commented on the video a while back and never got a response.


r/masskillers 2d ago

ON THIS DAY… Today marks 14 years since James Holmes killed 12 people and injured 58 others at a Century 16 movie theater in Aurora, Colorado

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925 Upvotes

r/masskillers 1d ago

Does anybody know if the person who was seen carrying a gun near the site of the 2010 Brastlavia Shooting in 2018 was ever identified or arrested? Or if there was any outcome what-so ever?

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101 Upvotes

Personally I think the person here might have been a teenager (just based on the height) or maybe even a preteen, but I can't prove that obviously. Maybe it was a kid/teen who knew about the shooting (he looks similarly dressed to L'ubomir Harman minus the hood and mask) and wanted to carry out his own attack, but had second thoughts and backed out.


r/masskillers 1d ago

On January 12th 2010, 60 year old former employee James Jesse Warren shot 5 people, killing 4 (including one who died from his injuries in 2013) at a Penske truck rental business office in Kennesaw, Georgia, before escaping and being arrested afterwards. He was sentenced to life in a mental hospital

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80 Upvotes

r/masskillers 1d ago

Discussion / Question Mass Killers that barely have any photos or little to no information about them?

21 Upvotes

It could be any case from low profile to high profile


r/masskillers 2d ago

Glock 19 pistol with a laser sight used in the 2023 Rotterdam shooting.

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71 Upvotes

https://en.wikipedia.org/wiki/2023_Rotterdam_shootings

On September 28, 2023, Fouad Lakhlili killed two people in a residence in Rotterdam, Netherlands, and then killed one more person in a classroom at a medical center before setting it on fire. He was arrested by police below the hospital's helipad after committing the crime.

On February 21, 2025, Fouad Lakhlili was sentenced to life imprisonment for the shooting.


r/masskillers 2d ago

More pictures of Cain Clark, posted onto TikTok by his uncle.

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263 Upvotes

Last one may have been in my last post I don’t remember.


r/masskillers 2d ago

Dutch News article showing CCTV footage from the 2023 Rotterdam Shootings

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51 Upvotes

On 28 September 2023, two shootings occurred in Rotterdam, Netherlands. The first, in which two people were killed, was at a residence on Heiman Dullaertplein, followed by a second, in which one person was killed, in a classroom at the Erasmus University Medical Center. The perpetrator, identified as medical student Fouad Lakhlili, was sentenced to life imprisonment in 2025.


r/masskillers 3d ago

Comments made by Caleb Vazquez on an incel forum

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206 Upvotes

r/masskillers 2d ago

How parents are being held responsible after school shootings

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35 Upvotes

After a deadly school shooting in Oxford, Michigan, prosecutors, in a first, charged both the gunman and his parents. It's a change some victims' families believe could help break the cycle of violence.


r/masskillers 3d ago

Georg Riess, the 2009 Ansbach school attacker, being arrested by Colombian police in September 2025 after escaping from the psychiatric facility where he was being held.

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90 Upvotes

On September 17, 2009, 18-year-old Georg Riess attacked the Gymnasium Carolinum school in Ansbach, Bavaria, Germany, armed with an axe and Molotov cocktails, he injured 15 people before being shot and arrested

On April 29, 2010, Riess was found guilty of 47 counts of attempted murder, among other charges, and sentenced to nine years in a juvenile detention center. The juvenile division of the Ansbach District Court also ordered his indefinite confinement in a psychiatric facility.

In August 2025, Riess escaped from the psychiatric facility where he was being held and fled to South America; Interpol managed to locate him in the city of Piedecuesta, Colombia, and alerted local authorities, leading to his arrest in early September 2025.


r/masskillers 3d ago

question regarding Salvador Ramos and the shooting of his grandmother

48 Upvotes

I’m honestly just curious why didn’t salvador know his grandma survived when she was literally standing up on bodycam and held a towel on her face, wouldn’t he had heard her scream and continue to grunt of severe pain while he was in the house with her. Knowing Ramos i feel like he would have finished the job and honestly just surprised he didn’t finish her off unless he was just trying to prove a point to his family maybe?


r/masskillers 3d ago

IN MEMORIAM Happy Heavenly 20th Birthday to Olivia Engel

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185 Upvotes

This is tough to think about because I share a date of birth with Olivia. It's haunting to realize that a whole circle of people who should still be here celebrating their 20th birthdays this year and beyond. Yet a person who did reach the age of 20 unjustly took that away from them. While the void that Olivia left behind can never fully be filled, it is my sincere hope that the love she shared with all those who were fortunate to know her endures.