Four days before the anniversary of Columbine, we get the Columbiana Centre Mall shooting in Columbia, South Carolina.
Columbiana Centre Mall = 77
Police Department = 77
Police Officer = 77
-Columbiana Centre Mall = 194
-Prisma Health = 194 (Where the victims were taken)
-19/4 upcoming
-Anniversary of Waco & OKC Bombing

Keep in mind this news comes on the 106th day of the year.
Columbus = 106

Columbia is named after Columbus.

https://www.cnn.com/2022/04/16/us/shooting-at-south-carolina-mall/index.html