They used numerous aliases and generally did not allow themselves to be photographed.

For reasons of personal safety, many participants sign using aliases.

The couple married in 1940 and returned to Yugoslavia using aliases.

As a result, they use aliases that reflect their tastes in literature or music.

He was noted for using various aliases and personas to get on the air.

"Can it be that the criminal classes now use aliases?"

The forms asked the workers if they used aliases, and several offered fearsome ones.

For instance, investigators say he used several aliases, but they do not know why.

Maybe they don't want to be used for dangerous missions, using aliases and all that.

He has past criminal convictions and a history of using aliases.