According to court papers, suspects Azamat Tazhayakov and Dias Kadrybayev destroyed and concealed Dzhokhar Tsarnaev's backpack and laptop computer.
The charges say that the suspects decided to conceal the items after learning he was a suspect in the Boston Marathon Bombing.
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Following the promise of further powers for Scotland, David Cameron is now talking about a new deal for the other home nations.
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Alex Salmond has announced his intention to end a 24-year career at the forefront of Scottish politics. Here is a brief look at his career.