With the CIA having no cause to investigate Brody , Carrie conducts her own unauthorized surveillance using a one - month FISA warrant delivered by Saul .
Carrie tells Saul about Hasan 's claims , and expresses concern that Brody is the POW he was describing .
With the CIA having no cause to investigate Brody , Carrie conducts Carrie 's own unauthorized surveillance using a one - month FISA warrant delivered Saul Saul .
Carrie tells Saul about Hasan 's claims , and expresses concern that Brody is the POW he was describing .