Cats Disappearing by the Dozen

"Concerned pet owners make note of groups of cats disappearing mysteriously. Why is this happening and what’s becoming of these animals? Reports out of Lakewood, Colorado show that about a dozen cats have disappeared in one neighborhood alone. Neighbors report finding “pieces” of these cats and are frantically trying to solve the puzzle.
 

 Canada has seen a rash of around 100 cats disappearing during the same time frame."
 

The same question is being asked around the world  - what IS happening to our cats?  Source