But when investigators arrived in Iraq , the detainee and witnesses had been released in Baghdad and could not be found .
Iraq /location/country/capital Baghdad
Iraq /location/location/contains Baghdad
CC WRB NNS VBD IN NNP , DT NN CC NNS VBD VBN VBN IN NNP CC MD RB VB VBN .
Iraq
LOCATION
Baghdad
LOCATION
/location/country/capital
Iraq
LOCATION
Baghdad
LOCATION
/location/location/contains