But, its auxiliary probe HAS been perfected to purloin objects from the past. When you set something down and can't find it a minute later . . . you've probably been probed from the future. Predictably, that action violates temporal laws and after a few minutes the object returns to its time, a short distance from where it was picked up—usually the last place you'd ever think to look for it.
When Death Confronts You
55 minutes ago