Board Thread:Off Topic/@comment-24993958-20161230201819/@comment-30530552-20170111123743

The ripple effect would expose their position to the person who spotted it, regardless of whether they were still invisible to others who might not have noticed it.

Essentially: If someone spots it, you're visible to them, if not you're good to go.

Originally the clone could be left at any time and had longer distances and such.

When you use the Dead Ringer, you would take damage and drop a body while you were invisible. That's essentially what's been done here.