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3 sources checked · 2 source groups included · 54m ago

Still Watching

Montreal shooting leaves officer, civilian and suspect dead

Two people have been killed in California after a shooting in a public library — the suspect is in custody, police said.

2 Left1 Center0 Right
Still watching. Optics is waiting for a cleaner match before calling the split.

STILL WATCHING

As of June 23, 2026 at 10:04 AM, this is how Optics News reads the wording differences in this story.

What happened It was the first time in 24 years that a Montreal police officer was killed in the line of duty, the city's police chief said.
The headline split The left frames it as "Shooting inside California library leaves 2 dead, child injured". The center frames it as "Montreal shooting leaves officer, civilian and suspect dead".
Match confidence Medium confidence. 3 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium

3 sources across 2 bias buckets agree on the event.

Framing confidenceModerate

66/99 — meaningful wording shift across the spectrum.

WHAT EACH SIDE EMPHASIZED

Left / center-leftShooting inside California library leaves 2 dead, child injured

NBC News - US News · Center-left · News report

CenterMontreal shooting leaves officer, civilian and suspect dead

BBC World · Center · News report

Right / center-rightNo matching source in this bucket yet.

Optics keeps watching for pickup.

SEE THE HEADLINES

Center-leftMostly Factual
NBC News - US NewsNews report · Jun 23, 10:04 AM

Shooting inside California library leaves 2 dead, child injured

Two people have been killed in California after a shooting in a public library — the suspect is in custody, police said.

Open source
CenterHigh
BBC WorldNews report · Jun 23, 8:36 AM

Montreal shooting leaves officer, civilian and suspect dead

montrealleavesofficerciviliandead

It was the first time in 24 years that a Montreal police officer was killed in the line of duty, the city's police chief said.

Open source
Center-leftMostly Factual
ABC News - USNews report · Jun 23, 7:38 AM

Shooting at a Northern California library kills 2, and a suspect is in custody

northerncalifornialibrarykillscustody

Law enforcement are investigating a shooting at a library in Northern California on Monday that left two people dead

Open source
Details66/99 Wording Gap · Medium confidence · 3 sources
66/99 Wording GapMedium confidence3 sources · 2 bias bucketsLive match · 3 sources · 2 buckets · comparable news formatFormats: News report

SOURCE MAP CHANGES

Jun 23, 7:38 AM: ABC News - US joined the source map.

Jun 23, 8:36 AM: BBC World joined the source map.

Jun 23, 10:04 AM: NBC News - US News joined the source map.

Now: Wording Gap is 66/99 and story health is live match · 3 sources · 2 buckets · comparable news format.