The 16-minute message, broadcast on al-Jazeera on Tuesday, called for suicide attacks against the US and resistance to any attack on Iraq.

BBC: 'Bin Laden' tape attacks 'crusaders'

He explains the tactical advantages of suicide-bombing greater accuracy, simplified planning and a more powerful political message but does not then say why such tactics appeared comparatively late in the long history of terrorism.

ECONOMIST: Terrorism

The suicide of Internet activist Aaron Swartz on January 11 triggered the posting of the hackers' message to the web address of the sentencing commission, they said.

CNN: STORY HIGHLIGHTS

The suicide of Internet activist Aaron Swartz on January 11 triggered the posting of the hackers' message to the web address of the United States Sentencing Commission, they said.

CNN: Anonymous threatens Justice Department over hacktivist death