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Pa. killer grandpa ID’d as it’s revealed pregnant mom was thrilled to deliver ‘blessing’ baby boy

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Diaz, A. (2026, October 12). Pa. killer grandpa ID’d as it’s revealed pregnant mom was thrilled to deliver ‘blessing’ baby boy. New York Post. https://nypost.com/2026/10/12/us-news/pa-killer-grandpa-idd-as-its-revealed-pregnant-mom-was-thrilled-to-deliver-blessing-baby-boy/

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

New York Post · collected 2026-10-12 · by Alex Diaz

Quick Summary

Matthew Stone Sr., 45, killed his family members and two interveners before taking his own life on Friday in Erie County. The victims included his pregnant daughter Angelina, sons Matthew Jr. and Jonathan, wife Michelle, Angelina’s two children aged 5 and 1, as well as Lora Roberts and Twila Tanner. In a Facebook post dated September 25, Angelina expressed her joy about the impending birth of her son Kyrie, calling him "a blessing." Police are considering mental health issues as a potential motive but have not provided further details.
Written by AI on 2026-10-12, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

On October 9, Matthew Stone Sr., a 45-year-old man in Erie, Pennsylvania, killed eight people before taking his own life. The victims included his wife and five children, along with two other women who had come to assist them. Police described the scene as one of the worst they have ever encountered, noting that the house was extremely filthy and filled with bottles of urine.

The shooting occurred after 9 pm when residents called 911 due to hearing gunfire; upon arrival, officers found two women dead outside the home. Stone barricaded himself inside and engaged in a standoff with police before dying from a self-inflicted gunshot wound. Inside the house, investigators discovered additional victims, including children.

Police revealed that Stone had exercised strict control over his family for years, managing their finances and restricting their movements. The home's conditions were described as deplorable, further highlighting the isolation and distress experienced by the victims.

Written for “Pennsylvania Shooting Leaves Nine Dead” on 2026-11-01, grounded in this article and the 30 other(s) covering the same event.

Story

📰 Pennsylvania Shooting Leaves Nine Dead
Crime & Law · 31 article(s) covering the same event. Compare every outlet's account →

Compared with similar articles

This article reads unscored and hedges 20% of its claims. Each row says how that neighbour differs.
The Guardian
Hedges 2 of 38 claims Outlet record 66/100
NBC News
Hedges 3 of 11 claims Outlet record 60/100
Toronto Star
Hedges 1 of 3 claims Outlet record 64/100
New York Post
Hedges 3 of 15 claims Outlet record 66/100
NBC News
Hedges 2 of 24 claims Outlet record 60/100
CBS News
Hedges 3 of 39 claims Outlet record 66/100
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
5
sentences that state something as happening or true
Uncertain
20%
1 of 5 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
66/100
New York Post's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
31
Crime & Law
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-12 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

New York Post · 15728 article(s) · 35 correction(s) detected
Running correction rate · 35 correction(s)

Who wrote this

Alex Diaz
36 article(s) here · 1 carrying a prediction
🔮 The convicted murderer, 50, was set to be the first woman put to death in Tennessee in over 200 years on Sept. 30, but instead became the first prisoner ever to survive after being given the drugs.
🔮 Tennessee Governor Bill Lee has hinted that Christa Pike’s sentence will stay the same after her botched execution last month.
🔮 Pike, 50, was set to be the first woman executed in Tennessee on Sept. 30 — but instead became the first prisoner in the US to survive lethal injection.
🔮 “I was accustomed to seeing that kind of gore, if you will, but the brutality was different,” he told The Post.
🔮 “I’ve crushed everyone who ever loves me,” she reportedly said in the video, which Hall is said to have deleted before authorities could recover it.
🔮 In January, the SPD announced it would not reopen its investigation into Cobain’s death, standing by the outcome of a 2014 cold-case review which also ruled there had been no foul play.
🔮 Two other teachers who were at the park told The Post they tried to get on Goliath some three hours earlier — but couldn’t because it was closed for maintenance with a park worker conducting a test run.
🔮 Gardner was sentenced to 18 years in state prison in 2014 after pleading guilty to first degree possession of cocaine with intent to distribute and second-degree possession of a firearm by a convicted felon, the outlet said. He was released from prison on parole in 2023. Previously he had pleaded to aggravated manslaughter after killing a friend in 1993 and was released on parole after serving 18 years of a 30-year sentence in May 2012, according to NJ.com.
🔮 Police have not said what the gunman’s motives were but suggested mental health could have played a role.
🔮 Under a plea agreement, Foy is expected to get 23 years to life in state prison, which is two years less than the maximum sentence of 25 years to life, according to the Daily Freeman.
Also by Alex Diaz
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 36 articles by Alex Diaz →

Topics

Erie County Facebook

Subjects

Angelina PERSON · 2× Angelina Stone PERSON · 1× Erie County GPE · 1× Jonathan Stone PERSON · 1× Lora Roberts PERSON · 1× Lyell Cook PERSON · 1× Matthew Stone Jr. PERSON · 1× Matthew Stone Sr. PERSON · 1× Michelle Stone PERSON · 1× Stone PERSON · 1×

Narrative

Matthew Stone Sr., 45, was identified Monday as the gunman behind the horrific scene that left his pregnant daughter Angelina Stone, 24, sons Matthew Stone Jr., 21, and Jonathan Stone, 19, and wife Michelle Stone, 44, dead — before he turned the gun on himself Friday, Erie County coroner Lyell Cook said.
framing: assertive · carried by 1 article(s) · first seen 2026-10-12
🔮 Police have not said what the gunman’s motives were but suggested mental health could have played a role.

Claims (5 extracted, 1 hedged)

Matthew Stone Sr., 45, was identified Monday as the gunman behind the horrific scene that left his pregnant daughter Angelina Stone, 24, sons Matthew Stone Jr., 21, and Jonathan Stone, 19, and wife Michelle Stone, 44, dead — before he turned the gun on himself Friday, Erie County coroner Lyell Cook said. asserted
Cook → identify → himself
Stone also gunned down Angelina’s 5-year-old son and 1-year-old daughter, in addition to two women who tried to intervene, Lora Roberts, 37, and Twila Tanner, 51. asserted
who → gun → women
Angelina posted on Facebook on Sept. 25 about her excitement at the upcoming birth of her “chunky boy,” who she was planning to name Kyrie. asserted
she → post → who
Sharing ultrasound scan pictures of the baby, she wrote, “A Blessing in My Eyes Momma Can’t Wait To Hold Yooouu.” asserted
Momma → share → Yooouu
Police have not said what the gunman’s motives were but suggested mental health could have played a role. uncertain
health → say → role
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