Pennsylvania house that was scene of mass shooting was ‘filthy,’ filled with bottles of urine

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Cite

Li, D. K. (2026, October 15). Pennsylvania house that was scene of mass shooting was ‘filthy,’ filled with bottles of urine. NBC News. https://www.nbcnews.com/news/us-news/pennsylvania-house-was-scene-mass-shooting-was-filthy-filled-bottles-u-rcna603748

Dated from the outlet's own feed. Check the original for its byline.

NBC News · collected 2026-10-15 · by David K. Li

Quick Summary

Matthew Stone, 45, carried out a mass shooting at his northwest Pennsylvania home in Erie on Friday, killing eight people including family members before taking his own life. The house was described by police as extremely filthy with non-functional plumbing and bottles of urine scattered throughout. Stone had previously been arrested for threatening a family member with a .40-caliber handgun in 2019 but the case was dismissed when his wife declined to press charges. Authorities stated that Stone controlled his family’s finances and restricted their movements, leading to years of isolation and abuse.
Written locally by qwen2.5:14b on 2026-10-15, using this article's own text rather than the other coverage of the same event (that is the story summary below).

AI analysis runs on qwen2.5:14b, locally

Story summary

On October 9, 2026, a mass shooting occurred in Erie, Pennsylvania, resulting in the deaths of nine people, including two children and a pregnant woman. The gunman, identified as Matthew Stone Sr., 45, also took his own life. Police were called to Perry Street around 5 p.m. after witnesses reported seeing him firing shots before entering a home. Two women were found dead outside, while more victims were discovered inside the residence during an hours-long standoff with SWAT teams. Erie Police Chief Rick Lorah described it as one of the most difficult scenes he has encountered in his career. Stone Sr. had reportedly controlled family finances and restricted relatives' movements for years, leading to isolation within the home, which was found "filthy" by investigators, with non-functional toilets and sinks and bottles filled with urine scattered throughout. The motive remains under investigation but is believed to be linked to mental health issues and domestic control dynamics. Videos show terrified individuals running from gunfire near the scene. Matthew Stone Sr.'s wife Michelle, their sons Jonathan (19) and Matthew Jr. (21), pregnant daughter Angelina (24) along with her two young children Isiah (5) and Amari'anna (1), and two other women were among the victims. The mayor was expected to hold a press conference following these tragic events.

Written for “Mass Shooting In Pennsylvania Kills Nine” on 2026-10-15, grounded in this article and the 28 other(s) covering the same event.
Why this leaning score
This article does not take a side on a contested political question, so it has no leaning score. That is an answer rather than a gap: a match report or a rescue can be warmly or critically written without being left or right, and scoring it anyway is how approval of a subject gets recorded as a political position.
No political leaning scored for article 83221 · logged 2026-10-15

Story

📰 Mass Shooting In Pennsylvania Kills Nine
Crime & Law · 29 article(s) covering the same event. Compare every outlet's account →

Compared with similar articles

This article reads unscored and hedges 8% of its claims. Each row says how that neighbour differs.
9 dead, including children and pregnant woman, in shooting in Erie, Pennsylvania same event · 100%
South China Morning Post
⚖️ leaning not scored 🔴 0% hedged 0 of 4 📰 publisher trust 67
“Both articles describe the same shooting incident in Erie, Pennsylvania on the same date with the same number of victims and suspect.”
Pregnant woman among eight killed in Pennsylvania shooting same event · 100%
ABC News (AU)
⚖️ leaning not scored 🔴 0% hedged 0 of 3 📰 publisher trust 70
“Both articles are reporting on the same shooting incident in Erie, Pennsylvania that resulted in eight deaths.”
Shooting leaves 9 dead including suspect in Erie, Pennsylvania, police say same event · 100%
The Hindu
⚖️ leaning not scored 🔴 9% hedged 2 of 22 📰 publisher trust 95
“Both articles describe the exact same shooting incident in Erie, Pennsylvania on October 10-11, 2026, with the same perpetrator and victims.”
Grandpa ID’d as crazed killer who shot 9 of his kids, grandkids in shocking Pa. murder-suicide: relatives same event · 100%
New York Post
⚖️ leaning not scored 🔴 21% hedged 6 of 29 📰 publisher trust 67
“Both articles clearly describe the same mass murder-suicide incident involving Matthew Stone in Erie, Pennsylvania, including details about the shooter's death and the condition of his home.”
Grandpa slaughtered 9 of his loved ones in horror mass murder-suicide, including friends who were running to save kids from barrage of bullets same event · 100%
Daily Mail
⚖️ leaning not scored 🔴 33% hedged 9 of 27 📰 publisher trust 64
“Both articles describe the same mass shooting incident in a family home in Erie, Pennsylvania, involving the shooter killing nine people and then taking his own life.”
Pennsylvania shooter who killed eight was a grandfather, says slain child’s dad same event · 100%
The Guardian
⚖️ leaning not scored 🔴 5% hedged 2 of 38 📰 publisher trust 68
“Both articles discuss the same mass shooting incident in a home in Erie, Pennsylvania, involving the death of eight people and the shooter's suicide.”
Father mourns toddler killed in Pennsylvania shooting same event · 100%
ABC News (AU)
⚖️ leaning not scored 🔴 0% hedged 0 of 4 📰 publisher trust 70
“Both articles refer to the shooting incident in Pennsylvania involving Matthew Stone and detail aspects of the crime scene and aftermath.”
Victims of Pennsylvania mass shooting included pregnant daughter of gunman same event · 100%
NBC News
⚖️ leaning not scored 🔴 27% hedged 3 of 11 📰 publisher trust 95
“Both articles describe the exact same mass shooting incident involving Matthew Stone in northwest Pennsylvania on October 12-14, 2026.”
Pa. killer grandpa ID’d as it’s revealed pregnant mom was thrilled to deliver ‘blessing’ baby boy same event · 100%
New York Post
⚖️ leaning not scored 🔴 20% hedged 1 of 5 📰 publisher trust 67
“Both articles refer to the same mass shooting incident in Pennsylvania involving Matthew Stone and his family, describing different aspects of the same event.”
Authorities name the attacker and most of the 8 victims in last week's Erie mass shooting same event · 100%
Toronto Star
⚖️ leaning not scored 🔴 33% hedged 1 of 3 📰 publisher trust 63
“Both articles refer to the same mass shooting incident in Erie, Pennsylvania on Friday, involving Matthew Stone Sr., who killed eight people and then took his own life.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
24
sentences that state something as happening or true
Uncertain
8%
2 of 24 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
95/100
NBC News's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
29
Crime & Law
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-15 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

NBC News · 1407 article(s) · 0 correction(s) detected
No corrections detected for this publisher. That may mean careful reporting, or simply that nothing has been checked.

Who wrote this

David K. Li
12 article(s) here · 1 carrying a prediction
🔮 “According to relatives, he controlled the family’s finances ... and restricted when family members could leave the residence or spend time with relatives,” Lorah said.
2026-10-15 · assertive framing · Pennsylvania house that was scene of mass shooting was ‘filthy,’ filled with bottles of urine
🔮 “I wouldn’t even put this on my worst enemy man,” Ezekiel told NBC affiliate WICU.
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🔮 The mom, Jennifer Buckley, “reported that her son was not at her residence” and “expressed concerns that her son may be a danger to himself,” police said.
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Also by David K. Li
Kentucky police arrest 8 in child abuse, trafficking and rape investigation
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Victims of Pennsylvania mass shooting included pregnant daughter of gunman
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2026-09-28 · NBC News
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2026-09-25 · NBC News
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 12 articles by David K. Li →

Topics

Erie Pennsylvania

Subjects

Lorah PERSON · 5× Michelle PERSON · 3× Stone PERSON · 3× Angelina PERSON · 2× Erie GPE · 2× Matthew PERSON · 2× Michelle Stone PERSON · 2× Matthew Stone PERSON · 1× Pennsylvania GPE · 1× Rick Lorah PERSON · 1×

Narrative

A homicidal family patriarch had become a dominant, isolated, figure inside his “filthy” northwest Pennsylvania home before opening fire with a weapon — linked to a previous domestic violence allegation — to kill eight people, officials said Thursday.
framing: assertive · carried by 1 article(s) · first seen 2026-10-15
🔮 “According to relatives, he controlled the family’s finances ... and restricted when family members could leave the residence or spend time with relatives,” Lorah said.
2026-10-15 · NBC News
Pennsylvania house that was scene of mass shooting was ‘filthy,’ filled with bottles of urine · assertive framing

Claims (24 extracted, 2 hedged)

A homicidal family patriarch had become a dominant, isolated, figure inside his “filthy” northwest Pennsylvania home before opening fire with a weapon — linked to a previous domestic violence allegation — to kill eight people, officials said Thursday. asserted
officials → become → people
Matthew Stone, 45, died of a self-inflicted gunshot on Friday evening, bringing a tragic end to years of descent inside his home on Perry Street in Erie, authorities said. asserted
authorities → die → Erie
Toilets and sinks did not appear to be working and there were 2-liter bottles filled with urine were all over the house, Erie Police Chief Rick Lorah said. asserted
Lorah → appear → house
“Detectives described the home as extremely filthy,” Lorah told reporters. asserted
Lorah → describe → reporters
Loved ones painted a disturbing picture of Stone’s dominant role inside that house, police said. asserted
police → paint → house
“According to relatives, he controlled the family’s finances ... and restricted when family members could leave the residence or spend time with relatives,” Lorah said. uncertain
Lorah → accord → relatives
“Family members told detectives that his behavior had been going on for years. asserted
behavior → tell → years
They described Matthew becoming increasingly controlling after (wife and victim) Michelle (Stone) became pregnant with their first child. asserted
Michelle → describe → child
Over time, contact with extended family became more limited. asserted
contact → become → family
Michelle stopped maintaining contact with friends. asserted
Michelle → stop → friends
Our department also had a record of prior domestic violence incident at that home. asserted
department → have → home
In that 2019 case, Stone was arrested for allegedly making threats with a .40-caliber handgun. uncertain
Stone → arrest → handgun
But the case went away when Michelle Stone declined to help press a case, Lorah said. asserted
Lorah → go → case
“A firearm was involved in that case, the same 40-caliber handgun that was used in Friday’s homicides,” Lorah said. asserted
Lorah → involve → homicides
“At the preliminary hearing, Michelle changed her original statement and those charges were withdrawn. asserted
charges → change → statement
Outside of that 2019 case, Matthew had no criminal history and was legally permitted to possess that firearm. asserted
Matthew → have → firearm
The victims included the killer’s wife Michelle Stone, 44; pregnant daughter, Angelina K. Stone, 24; sons Matthew Stone Jr., 21, and Jonathan Stone, 19; sister-in-law Lora Lee Roberts, 37, and her fiend Twila A. Tanner, 51. asserted
victims → include → law
Two other unidentified children, a 5-year-old boy and a nearly 2-year-old girl who were also related to the shooter, were killed inside the house, officials said. asserted
officials → relate → house
Roberts and her friend Tanner had come to the house when Angelina Stone asked for a ride to the hospital. asserted
Stone → come → hospital
“Angelina had been sending messages indicating she planned to leave the family home after giving birth,” Lorah said. asserted
Lorah → send → birth
“In those messages, she said her father was kicking her and her brothers out of the residence. asserted
father → say → residence
She also reported that he had been physically abusive to her brothers. asserted
he → report → brothers
When detectives searched the home following the shooting, they found numerous belongings packed into bags and boxes in Angelina’s bedroom. asserted
they → search → bedroom
This is a developing story. asserted
This → develop → ?
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