Pawtucket mill
Stories have emerged from 19th century Slater Mill in Pawtucket, Rhode Island, of motion detector security cameras being set off for no apparent reason, eerie murmurs and whispers, and a scream heard by at least three people from an empty corner of the building. In addition, a waitress working in the restaurant says she was pushed over from behind, only to find there was, in fact, no-one behind her.

