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Man killed eight, including pregnant daughter, before suicide

Police are investigating the motive behind the Pennsylvania man's actions, suggesting mental health struggles.

AI-assisted coverage comparison, editor-supervised · How this was made

Published
Angelina Stone/Facebook

What this story says

  • Matthew Stone Sr. killed eight people, including his pregnant daughter Angelina Stone and her two young children, before dying by suicide.
  • Angelina Stone was 36 weeks pregnant and planned to name her son Kyrie.
  • The victims included Angelina Stone's children, parents, brothers, a relative, and a family friend.
  • Police are investigating the motive and suggested mental health struggles may have played a role, noting Stone Sr. had a history of controlling behavior.

Who covered it

Left 46%(18)Centre 46%(18)Right 8%(3)

Percentages are shares of the 39 outlets carrying a published leaning rating. Coverage measured .

Trust

42/100

Craft

59/100

Hype

41/100

39 sources · methodology

Thin on the right so far

Only 3 of the 39 outlets with a published leaning rating that ran this story are rated right.

This story is still being watched, so it is a count and not yet a finding. Coverage keeps arriving for hours after an event, and a side that has published nothing this morning may publish by tonight. If it is still true when we stop checking, we will say so plainly.

Matthew Stone Sr. killed eight people in Erie, Pennsylvania, before dying by suicide. Among the victims was his pregnant daughter, Angelina Stone, who was 36 weeks into her pregnancy and planned to name her son Kyrie. The victims also included Angelina Stone's children, Amari'anna, 22 months, and Isiah, 5. Also killed were Angelina's parents, Michelle and Matthew Stone Sr., her brothers Matthew Jr. and Jonathan Stone, relative Lora Roberts, and family friend Twila Tanner.

Authorities are investigating the motive for the killings. Police have suggested that mental health struggles may have contributed to the events. Investigators also stated that Matthew Stone Sr. had a history of controlling behavior, which included exerting influence over his family's finances and their interactions with others.

Coverage comparison

What the coverage left out

None of the right-rated digests mention that Angelina Stone was 36 weeks pregnant or that she planned to name her son Kyrie. The right-rated digests also do not mention the names of Angelina Stone's children, Amari'anna and Isiah, or her brothers Matthew Stone Jr. and Jonathan Stone.

Still developing. We have re-checked which outlets are covering this 49 times, most recently on 16 Oct 2026, 12:45, and will add the sides that appear.

How each side covered it

Our own reading of the reporting listed below, written from the outlets’ articles rather than quoted from them. The reasoning is set out on our methodology page.

Left

18 rated outlets

  • Fifteen left-rated reports focused on the controlling behavior of Matthew Stone Sr. These reports stated that police said the gunman had strictly controlled his family's finances and interactions with others. Several of these reports also mentioned that investigators still do not know the motive for the killings. The Associated Press, The Seattle Times, The Independent, The Record, and Bangor Daily News were among the outlets that highlighted this aspect. The Independent (US) and The Independent Online also noted that police say a Pennsylvania gunman who killed several family members had strictly controlled their finances and interactions with others. Metro News reported that the grandfather killed three generations of his family before turning the gun on himself. The Record (US) stated that a Pennsylvania man who killed eight others, including seven family members, before killing himself had exercised strict control over his relatives, including their finances and interactions with others, police said Thursday.

Centre

18 rated outlets

  • Nine centre-rated reports highlighted that police said Matthew Stone Sr. had a history of controlling behavior, including over his family's finances and interactions. The Pittsburgh Post-Gazette and WBAL were among the outlets that reported this. US Magazine, which published a full report, detailed that Angelina Stone had shared ultrasounds of her future son, Kyrie, just days before her expected due date, calling him a "blessing." US Magazine also reported that authorities said Matthew Stone Sr. killed Angelina and her children, Amari'anna and Isiah, at a home in Erie, Pennsylvania, on Friday, October 9, alongside his sons Matthew Stone Jr. and Jonathan Stone, and his wife, Michelle Stone. The reports from The Herald Journal, Weatherford Democrat, and The Lawton Constitution stated that police say a Pennsylvania gunman who killed several family members had strictly controlled their finances and interactions with others, and that Erie Police Chief Rick Lorah said investigators still don’t know why family patriarch Matthew Stone Sr. gunned down his wife, their...

Right

3 rated outlets

  • The two right-rated reports led with the number of victims. WLTReport stated a family patriarch killed eight people, including two children and his pregnant daughter, before taking his own life in Erie, Pennsylvania. Owensboro Messenger-Inquirer reported that police say a Pennsylvania gunman who killed several family members had strictly controlled their finances and interactions with others, and that Erie Police Chief Rick Lorah said investigators still don’t know why family patriarch Matthew Stone Sr. gunned down his wife, their...

Questions about this coverage

How did the left and right cover Man killed eight, including pregnant daughter, before suicide?
Of the 39 outlets on this story carrying a published leaning rating, 46% are rated left, 46% are rated centre, 8% are rated right. Those percentages are shares of the rated outlets, not of every outlet that ran it. The sections above set out what each side emphasised, in its own terms.
Is Man killed eight, including pregnant daughter, before suicide left or right?
Neither side dominates it. Of the 39 rated outlets on this story, 46% are rated left, 46% are rated centre, 8% are rated right, and no side holds the 70% this site would want before calling a field one-sided. A story is not left or right in any case; the outlets that carried it are what carry ratings.
Is the coverage of Man killed eight, including pregnant daughter, before suicide biased?
Man killed eight, including pregnant daughter, before suicide is one event reported by 39 outlets, and this page does not rate the story as biased or unbiased. What it publishes is the spread: which outlets ran it, where named rating organisations place each of them on the spectrum, and what each side chose to lead with. A leaning rating describes an outlet's record over time, not this article, and the two should not be run together.
Which side is not reporting Man killed eight, including pregnant daughter, before suicide?
When we first saw this story, outlets rated right had barely covered it. Coverage accretes for hours after an event, so that is where to look rather than a verdict — the split above is the current count, and it is the one to read.
Which outlets covered Man killed eight, including pregnant daughter, before suicide?
39 that we know of, every one of them listed further up this page with a link to its own report and to what we hold on the publisher. Nothing here is a summary of somebody else's summary: the outlets are named so the original reporting can be read.
Who was killed in the Pennsylvania incident?
Matthew Stone Sr. killed eight people before dying by suicide. The victims included his pregnant daughter Angelina Stone, her children Amari'anna (22 months) and Isiah (5), his wife Michelle Stone, his sons Matthew Stone Jr. and Jonathan Stone, relative Lora Roberts, and family friend Twila Tanner.
What was the motive for the killings?
Police are investigating the motive for the killings and have suggested that mental health struggles may have played a role. They also noted that Matthew Stone Sr. had a history of controlling behavior over his family's finances and interactions.
Was Angelina Stone pregnant?
Yes, Angelina Stone was 36 weeks pregnant at the time of her death. She had shared ultrasounds of her future son, whom she planned to name Kyrie, just days before she was killed.

Read it at the source

39 outlets, grouped by the leaning a published rating gives them. Every headline links to the original; an underlined outlet name opens our profile of that publisher.

Left

18
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Centre

18
Show 10 more

Right

3

Not rated

0

No outlet in this group ran the story.

How did this read?

About the coverage, not about the story. We do not ask whether you agree with what happened — we have no honest use for that answer.

Matthew Stone Sr Erie Shooting | MediaBias News