Reply #35: Congress did not authorize it

[Time for change]

According to the Iraq War Resolution:

(a) Authorization.--The President is authorized to use the Armed
Forces of the United States as he determines to be necessary and
appropriate in order to--
(1) defend the national security of the United States
against the continuing threat posed by Iraq; and
(2) enforce all relevant United Nations Security Council
resolutions regarding Iraq.

There was no threat to our country and there was no UN Security Council resolution authorizing the attack.

In addition, there is the crime of genocide:

U.S. Code; Chapter 50A; Section § 1091. Genocide

(a) Basic Offense. - Whoever, whether in time of peace or in time of war, in a circumstance described in subsection (d) and with the specific
intent to destroy, in whole or in substantial part, a national, ethnic, racial, or religious group as such.

(1) kills members of that group;

(2) causes serious bodily injury to members of that group;

(3) causes the permanent impairment of the mental faculties of members of the group through drugs, torture, or similar techniques...