BetaHCF Case Studies Library is in beta. We're still adding campaigns and fixing things.
HCF Case Studies Library

← All campaigns · Open in the library

▶Videoyoutube.com

Laced & Lethal

“Laced & Lethal”

King County (Seattle, US-WA) fentanyl overdose prevention campaign launched March 2021 by the Department of Community and Human Services' Behavioral Health and Recovery Division and Public Health - Seattle & King County, first for teens 14-18 and later for adults, teaching that pills and powders may be laced with fentanyl and urging people to carry naloxone (free through Kelley-Ross pharmacies), test drugs and not use alone. Social ads, a multilingual website and a partner toolkit; 2024 spots targeted cocaine users. Now listed by the county as a past campaign.

Years
2021–now
Country
United States
Topic
DrugsHarm reductionOpioids
Asks people to
RecognizeStart
Strategy
Self efficacySimple instructionTestimonial
Channel
PrintSocial (paid)Website
Audience
AdultsYoung adultsYouth
King County teens 14-18 (2021 launch), then adults; 2024 spots aimed at people who use cocaine. Site in English, Spanish, Vietnamese, Somali and Russian.

Evidence

NoneUnknown

Formative research by Rescue with teens 14-19 found they trusted their sources and did not see themselves at risk. No outcome evaluation found.

Sponsor (who paid)

Credits (who made it)

Executions (individual ads)

Related campaigns

Sources

  1. HIPRC: King County launches youth fentanyl overdose prevention campaign (Mar 26, 2021) news · 2021
  2. Rescue: Laced & Lethal: Reducing fentanyl-related fatal overdoses (Sept 21, 2021) archive · 2021
  3. Rescue webinar: Laced and Lethal King County (toolkit) archive
  4. Laced & Lethal campaign site sponsor
  5. King County: Overdose prevention past campaigns sponsor

Research notes

US-WA (King County / Seattle). Discovered 2026-10-22 for #17. Credits checked 2026-10-22 against fetched pages: HIPRC launch post says the campaign "was developed in partnership with Rescue | The Behavior Change Agency"; Rescue's blog and webinar page describe developing it with King County. Funding per HIPRC: King County MIDD Behavioral Health and Recovery Fund and Public Health - Seattle & King County via a CDC grant, plus Mercer Island Youth and Family Services; no settlement money shown. Execution years are YouTube publish dates. Ad library search: "Laced & Lethal", "King County". lacedandlethal.com (fetched 2026-10-22) promotes the Brave App (Brave Technology Coop, https://www.thebraveapp.com/; store listing not confirmed).

Record cases/king-county-laced-and-lethal.json, updated 2026-10-22· Link to this campaign