Boston bomber 'out to terrorise US'

Boston Marathon bomber Dzhokhar Tsarnaev made a cold-blooded decision to punish America for its wars in Muslim countries as he planted a backpack containing a bomb near a group of children, the jury at his death penalty trial has been told.

“This was a cold, calculated terrorist act. This was intentional. It was bloodthirsty. It was to make a point,” federal prosecutor Aloke Chakravarty said. “It was to tell America that ’We will not be terrorised by you any more. We will terrorise you’.”