SMSD stays open Wednesday after mass shooting threat prompts some Missouri districts to cancel classes

Shawnee Mission sign

Seven other metro districts, all on the Missouri side, canceled summer school classes Wednesday following an unspecified mass shooting threat in Blue Springs. File photo.

Updated: 9:15 a.m. Wednesday 

Blue Springs Police said Wednesday morning they had a suspect in custody in connection to a threat made on social media app Snapchat threatening “killing people” and “mass murdering.”