Social developments, too, Ms. Garrett says, have unwittingly aided the microbial assault on humans.

But earlier this month he came under criticism in The New Yorker, which suggested that his emphasis on chance in the evolutionary process had unwittingly aided the cause of creationism.

After 9/11, the mosque administrator came forward because he feared he had unwittingly aided the hijackers.

Doctor Doi Yan, trusting Tsing Chan, had unwittingly aided the steward's game.

The United States' predisposition to marketing has perhaps unwittingly aided the increased popularity of American designers.

After the initial shock, there were signs of reconciliation after Luthor discovered he had unwittingly aided another criminal's conspiracy against Lena, and he was deeply apologetic.

My God, Claire thought,Debbie Riner might have unwittingly aided in her husband's murder.

Meanwhile, the press has often unwittingly aided politicians by flagellating itself.

Anti-corruption officers were aided unwittingly by Ao, who kept details of every illegal transaction and the kickbacks he received in a notebook.

Environmental groups were unwittingly aided by large economic shifts, according to a variety of river watchers.