Zarqawi!

"In conclusion there are strong indications about the arrest of Zarqawi who provided much information about his thugs which led to the intensified specific raids. This is probably the reason why he was not shown immediately.

It seems to be the announcement of Zarqawi arrest is just a matter of time, possibly in the next few days or weeks?"
Hammorabi

Sam could be wrong, but he's usually right, and about a week ahead of the official news sources.