What? - What Happened to Berger Inadvertently...

Philadelphia Inquirer Berger admits to thefts
Remind me if I am wrong, but was not the first excuse he accidentally took the documents? Now we have Berger admitting to taking and destroying them -- destroy indicating premeditation eliminating any chance of " WHY?

WASHINGTON - Samuel R. Berger, a former White House national security adviser, pleaded guilty on Friday to a misdemeanor, acknowledging that he intentionally removed and destroyed copies of a classified document about the Clinton administration's record on terrorism