The international investigation began in May 2005 with the arrest of a participant in Edmonton , Alberta .
Alberta /location/location/contains Edmonton
Alberta /location/country/capital Edmonton
DT JJ NN VBD IN NNP CD IN DT NN IN DT NN IN NNP , NNP .
Alberta
LOCATION
Edmonton
LOCATION
/location/location/contains
Alberta
LOCATION
Edmonton
LOCATION
/location/country/capital