Published July 13, 2026 · Updated with each build
Red Box Watch

A public ledger of red‑boxing — campaign‑site signals to super PACs

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Finding House · California Democrat

Sanchez, Linda FINDING

Seat
H-CA-41
Party
DEM
Universe reason
contested_primary
FEC receipts
$1,325,096 FEC
Campaign site
https://voteforlinda.com/ (unverified)
Pages scanned
31 · last 2026-07-09

Posted public messaging guidance consistent with red-boxing

Detected on https://voteforlinda.com/media  · classifier confidence 0.95 · model fireworks/deepseek-v4-flash

The page is a media-buy instruction targeting outside groups: it specifies a segmented audience (likely Democratic/independent primary voters in a specific district), prescribes exact message themes (positive and contrast), and lists channels (digital video platforms and mailboxes) along with geographic backup data. This is not a press kit or voter-facing persuasion page; it is directive guidance for independent expenditure groups.

Quoted evidence — verbatim spans from the page

  • Likely Democratic and independent primary voters in the NEW CA-41 (zip codes and precincts below) – particularly voters who were not previously in the OLD 38th District – need to see on digital video platforms like Meta, YouTube, and other streaming platforms and in their mailboxes that:
    Specifies target audience, geography, and channels for paid media, directing outside groups on where and to whom to run ads.
  • While the above messages are the priority, voters must also see the contrast between Congresswoman Sánchez fighting extremists and Hector de la Torre cozying up to them.
    Prescribes a contrast message as a directive for what voters should see, typical of red-box guidance.
  • Backup Precincts All CA-41 CA-41 not in old CA-38 Zip Codes All CA-41 CA-41 not in old CA-38
    Provides detailed geographic targeting data (precincts and zip codes) for ad placement, a key red-boxing signal.
Archived screenshot of https://voteforlinda.com/media
Archived at detectionFull-page screenshot of https://voteforlinda.com/media · Raw HTML preserved

Independent-expenditure corroboration

FEC Schedule E · 15 filings

Sequence. Messaging guidance was present on the candidate's site when detected (by us) on 2026-07-09; $651,693 in supporting independent expenditures is on file for this candidate.

Committee AmountFilingsDate range
S BOLD AMERICA $600,000 6 2026-05-12 – 2026-05-18
S NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE $51,478 4 2026-05-08 – 2026-05-08
S COURAGE CALIFORNIA SUPER PAC $156 1 2026-05-05 – 2026-05-05
S PLANNED PARENTHOOD ADVOCACY PROJECT LOS ANGELES COUNTY ACTION FUND $50 3 2025-02-14 – 2026-05-04
S SIERRA CLUB INDEPENDENT ACTION $10 1 2026-01-09 – 2026-01-09

S Supporting O Opposing

Schedule E is corroboration, not the trigger — a filed expenditure is late evidence, and our detection timestamp reflects when we crawled, which can lag the actual posting. Supporting IE dated on or after our detection day: $0. Dates are FEC expenditure dates.