User:Cs32en/911/Sources/Tarpley/2007/content

Some of the steel from the Twin Towers was removed and sent to scrap yards before engineers were allowed access to the site on October 6, 2001. Webster Griffin Tarpley, an author, has criticized the official response to the crime scene, saying that the cleanup process resulted in the destruction of most of the evidence, identifying the New York City Mayor's office as a key player in this regard.