He also said he saw others abusing detainees, but he didn't come forward with his knowledge.
There are allegations that a few members of the security forces abused detainees and mistreated foreigners and illegal immigrants.
The draft report also contains instructions to military commanders to heed both domestic and international law against abusing detainees.
"And Sanchez did not send orders to abuse detainees."
Outside, several dozen protesters shouted in outrage over the photographs of American soldiers abusing Iraqi detainees.
The Pentagon now says 137 military members have been disciplined or face courts-martial for abusing detainees.
Human rights organizations say that security forces abuse detainees and use torture.
There are reports that security forces abuse detainees and, in some instances, use torture.
Since then, more than 130 soldiers have been punished for abusing detainees at detention centers or in the battlefield.
British troops have also on occasion been accused of abusing Iraqi detainees.