Illinois state health officials say a second person has died who bled severely after using synthetic marijuana.
Third death linked to synthetic marijuana in Illinois reported - ABC7 Chicago
Fourth person dies in Illinois from laced synthetic marijuana
Synthetic marijuana likely tainted with rat poison kills 3, sickens 100 - The Boston Globe
Marijuana Use Among College Students At Historic High - WPR
Illinois Poison Center
Fake Weed: The Danger And The Appeal
Sacramento Fentanyl Crisis Update
Pot users should not lose their gun rights - Chicago Sun-Times
Overdose linked to fentanyl claims ninth victim in Harrisburg region