The 9/11 Commission's Final Report indicates that all of the 9/11 hijackers went through security screening procedures before boarding their respective flights.

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The 9/11 Commission's Final Report confirms that all of the 9/11 hijackers were screened by security before boarding their flights, although the effectiveness and thoroughness of the screening processes at that time have been subjects of scrutiny and criticism.

The 9/11 Commission's Final Report Indicates That All of the 9/11