Wrong Grandma inside casket

We always read stories about babies being switch at hospitals wherein parents bring home a different not their own. Talking about negligence or whatever you call it. But here is a different or should i say a similar situation about mixed up. It happened to a family in Chicago they went to the funeral home for their grandmother's viewing but found somebody else's dead inside her casket wearing their grandmother's dress and bracelet. Where is there grandmother? Already buried! Here, read the full story.