Did HBO Cover Up Bomb Use At The WTC on 9/11?

Did HBO television deliberately delete frames of video used in their 2002 documentary 'In Memorium - 9/11/2001', that revealed the detonation of an apparent exploive device at the World Trade Center on September 11, 2001?

Can the major corporate media be relied upon to provide the public with complete information or is it simply an establishment tool used to shape public opinions and manufacture desired outcomes?