Lynne Hermansen Gardner News One pill laced with fentanyl can kill in minutes. “As little as three grains can kill you,” Gardner Police Detective Brian Deer said. Fentanyl-opioid use and overdose deaths are a growing concern for the fastest group of users, who are younger and younger people. And it’s the reason why Gardner Police Department officials had its first educational seminar town hall meeting to help parents and community members become aware of the opioid epidemic, the current dangers and trends and how it is increasingly affecting the younger populations. “We thought it was important to get this information…