UM, SO THAT’S WHERE IT ALL STEMS FROM. CURIOSITY IN FEBRUARY, TCHAIKOVSKY’S OWN PITTSBURGH STORY GREW TROUBLING. HE ANNOUNCED ON FACEBOOK THAT DOCTORS DIAGNOSED HIM WITH GUILLAIN-BARRÉ SYNDROME.

A May 26 Facebook post (direct link, archive link) urged residents of a major Pennsylvania city to be aware of a deadly threat in the area. “PITTSBURGH HAS A SERIAL KILLER,” reads the post.

How did it look in your area? Upload your pictures and videos to u local, or share them to the u local Pittsburgh Facebook group. Mammatus clouds are not commonly seen, but they were on display in ...