(Cambridge City, IN)--Investigators are asking for the help of the public in locating a missing person.  49-year-old Stacey Miller of Cambridge City was last seen on Sunday.  She did not report to work on Tuesday.  Her phone last pinged early Wednesday morning in Preble County.  Stacey drives a loud, rusty, black Ford F-150 pickup truck with passenger-side mirror damage.  Anyone who has seen Stacey Miller is asked to contact Cambridge City police.