Active Shooter at River Hill High School? Submitted by clarkymalarkey t3_xvnmni on October 4, 2022 at 7:05 PM in ColumbiaMD 17 comments 6
mhennessie t1_ir1zzns wrote on October 4, 2022 at 7:19 PM I have heard from a few teachers inside and they don't have much info either. Permalink 1
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