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.
More top news
Thousands of Ethiopian Jews have taken to the streets of Tel Aviv to protest against racism and police brutality
Temperatures will be on the warm side tomorrow as much of the country looks forward to a fine bright start to the day.
Welsh international rugby league player Danny Jones has died today after collapsing during a match.