Facebook April 13, 2018 6:21 am Police Honor K9 Officer Sean Gannon Officer Sean Gannon, 32, a member of the K-9 unit at the Yarmouth Police Department, was shot and killed while serving a warrant at a home in the Marstons Mills area of Barnstable. US & World Videos 1:40 Democrats say Big Oil misled public for decades about climate change 4:14 What to expect: Previewing the 2024 Met Gala 3:37 Learning about the Art Resource Collaborative for Kids 3:25 Mother's Day gift ideas with William James Gifts 1:35 Understanding the Biden administration's plans to reclassify marijuana