gwern is responding on this /r/bitcoin thread https://www.reddit.com/r/Bitcoin/comments/3vzgnd/bitcoins_cr...
If that's what happened perhaps they were moving quickly to preserve evidence of whatever else they were investigating in advance of the hordes of people on their way to break into the house and steal whatever computer hardware they could find hoping to gain access to the "Satoshi's Stash" bitcoins.
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EDIT: Too funny... I posted this and then saw another comment (https://news.ycombinator.com/item?id=10702038) by imron (https://news.ycombinator.com/user?id=imron) posted before mine that described almost the exact same conclusion (nearly word for word). Props to them for beating me to the punch!
Great minds think alike! ;-)