70 Cases of Severe Bleeding in Illinois Linked to Synthetic Marijuana Use 70 Cases of Severe Bleeding in Illinois Linked to Synthetic Marijuana Use Chicago Tonight | WTTW Synthetic marijuana leaves two dead and dozens with severe bleeding Washington Post Store clerks charged with selling synthetic marijuana in Chicago appear in court WLS-TV Synthetic Cannabinoids | IDPH IDPH – Illinois.gov Spotlighting the effects and dangers of K2, or synthetic marijuana ABC News Full coverage