sleep deprivation, yes, those were approved techniques by the department of justice as not constituting torture. therefore we proceeded to include those in some of the ways we interrogated high level al qaeda terrorists. they were very tough. i m not going to say these techniques, the waterboarded and extending sleep deprivation, i won t anybody miminimize it, th tough tactics. federal officials are warning agencies across the country to be on alert out of fear jihadists could retaliate with some sort of attack. let s bring in justice correspondent pamela brown to find out more. good morning. good morning to you, carol. that s right, we ve learned the fbi and dhs sent out a joint bulletin warning law enforcement agencies across the country that terrorists may want to exploit the torture memo findings as propaganda, perhaps use it as a recruiting tool.
united states of america and spreading his message from here. reporter: he is careful not to 0 publically call for terrorist attacks in the west. he s much too careful for that. he doesn t step over red lines, but of course he instills in the minds of these people an ideology that is ultimately hostile to the west. reporter: the fear jihadists can train in syria then get back into the u.s. and attack the homeland. a journey generic holder is calling for more international cooperation. united states intelligence officials estimate nearly 23,000 violent extremists are currently operating in syria. over 7,000 foreign fighters from whom are dozens of americans. the number that is probably growing. reporter: already, this man