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Martinez · Animals · Environment · Announcement · Wed Sep 30

Grade B, score 83 of 100 · open the full fact check No independent confirmation yet

Mountain lion seen in the Hidden Lakes area of Martinez

Story guide: details named in the linked reporting

What the reporting says

  • ContraCosta.news reports that the City of Martinez alerted the community after a mountain lion was seen in the Hidden Lakes area.
  • The city said sightings like this happen from time to time and that mountain lions typically avoid people.
  • The city asked residents to stay aware of their surroundings, especially in the early morning and evening, and to keep pets close and supervised when outdoors.

Read it at ContraCosta.news

The full fact check1 outlet · Grade B
> THE MARTINEZ WIRE ▌SOURCE CHECK · OCT 1, 2026B83 / 100

Grade B · score 83/100

The story links two public documents and names two people or agencies on the record.

Checked Wed Sep 30, 11:52 AM · 1 of 1 page read

Sources checked

No independent confirmation found yet.

The reporting

  1. “Mountain Lion Spotted in City of Martinez”ContraCosta.news

coverage1 outlet

1 newsroom

ContraCosta.news

News report · CC News · Wed Sep 30, 5:10 AM

Source grade B83/100

“Mountain Lion Spotted in City of Martinez”

2 documents linked0 quotes3 of 3 paragraphs say where facts came fromapps.wildlife.ca.gov · ebparks.org

Read the full story at ContraCosta.news

How this was graded43 + 8 + 10 + 6 = 67 of 80 → 83/100 · Grade B
43
Sourcing · of 45
8
Corroboration · of 15
10
Headline · of 10
6
Transparency · of 10

Left out: Record match (nothing of that kind to count).

Comments

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    How the grading works

    The short version

    The Wire grades each article from what the page itself shows: whether its facts say where they came from, the public documents it links, the other outlets and sources that confirm the same story, whether its facts match the Wire's own public records, a calm headline, and a clear byline and date. The story takes its best-sourced telling's grade. The grade describes the page, never the people in it.

    The formulaGrade = 100 × points ÷ possibleA 85 · B 70 · C 55 · D 40

    Grade = 100 × points ÷ possibleeach article · 0 to 100

    Story = its best tellingA 85 · B 70 · C 55 · D 40 · F below 40

    45
    Sourcing · 25 for the share of facts that say where they came from, 0, 7 or 12 for none, one or two or more public documents linked, 0 to 8 for the people and agencies named on the record
    15
    Corroboration · 8 or 12 for one or two or more other outlets or sources confirming it, 3 more when one is official; 8 for a telling alone that links two or more documents
    20
    Record match · 20 × the key facts confirmed or matching the Wire's records ÷ the facts checked; left out when none could be checked
    10
    Headline · less for a question, capitals, an exclamation mark, a teaser or heated words
    10
    Transparency · a byline, a date, an update or correction note, the outlet's identity, the kind labelled
    This story's arithmeticone article graded
    OutletSCRHTScore
    ContraCosta.news438–10683

    43 + 8 + 10 + 6 = 67 of 80 → 83/100 · Grade B

    S sourcing · C corroboration · R record match · H headline · T transparency. A dash is a part left out.

    How it is checked6 rules
    • Every input is read by rules from the page itself; the arithmetic is shown for every article.
    • An article that names no source, links no document and names no one on the record says "No sources cited", and its grade is at most D.
    • Where the Wire's own records hold the fact (a vote, a meeting, an amount, a call, a listing), the story and the record are set side by side; a vote the record tells differently holds the grade at most at D.
    • An agency's own release is the record itself and is not graded; an outlet that prints it as its story counts once.
    • Each story's key facts are checked for independent confirmation: first by rules against the Wire's records and the agencies' own releases, then each morning by research. A confirmation counts only when the Wire read the source's page itself and found the sentence on it; a government page, a public record or another newsroom's own reporting, never a copy of the story or a social post. A source that tells a fact differently is shown beside the story.
    • A page the Wire cannot read is never guessed at: it shows only its own headline, quoted, and is not graded.
    Sources1 records
    1. News reportWed Sep 30ContraCosta.newsRead