Authorities are investigating a series of overdoses that happened last Thursday. At least one of the people who overdosed died, and a death investigation is underway. The Lake County Sheriff’s Office announced Friday that they had become aware of several social media posts with photos related to unknown types of pills that could have been related to recent overdoses. The sheriff’s office advises that you should not take any medication/pills that have not been prescribed to you by a physician or provided by a pharmacist.