1.   Four years later, his death remains a complete mystery.

2.   How the hell my pack of jokers has managed two wins out of two is a complete mystery.

3.   When all the evidence is added up, the Sirven case remains a complete mystery.

4.   Women are a complete mystery to me.

5.   With the stakes so high, the lack of atmosphere on the terraces in the first half was a complete mystery.

6.   And there are some complete mysteries, such as the package with no return address that arrived at the Heard Museum.

7.   Aljabr is a complete mystery.

8.   Again, this is a complete mystery.

9.   But the complete mystery, he says, may take years to unravel.