Webaug 17, 2023 · police flocked to collins hill high school late thursday morning after reports of a trespasser inside the school. This happened before noon. Webaug 17, 2023 · police said an employee at collins hill high school reported seeing a trespasser inside the school. Officers responded to the area and began clearing the. Webaug 17, 2023 · a thursday morning lockdown at collins hill high school in suwanee occurred after an administrator mistook someone in the building as an armed intruder. Weboct 26, 2021 · gwinnett county's collins…