[miner89]

"He has gained more weight due to security precautions and his inability to move a lot as you will notice in his next appearance."

Coming soon to a theatre near you!

"Weekend at Osama's!"

[Mad_Tom_Rackham]

...and his inability to move a lot...

This part I believe. It is difficult to move after you have been blown to pieces that have since rotted away, leaving a scattering of bone fragments.