In recent years, the city has unwittingly placed a number of children with AIDS in foster care.

By combining the electrical properties of Marconi's radar-absorbing material with his new man-made magnetic material he had unwittingly placed in his hands a new way to manipulate electromagnetic radiation.

He adds that the case of Lyme disease is not the only one in which humans have unwittingly placed themselves at the intersection of microbes and other animals.

I asked Ghak if there was not some way in which I could release the girl from the bondage and ignominy I had unwittingly placed upon her.

It was effective because one mortar round, unwittingly placed on the roof of our hut, had put fourteen men out of action.

Then she spied the fire stairs and silently blessed the architect who had unwittingly placed them so close to her room.

Yet it made him more concerned as well, for if Laura had unwittingly placed herself at risk - and by her stubbornness, she undoubtedly had - then what compulsion could still be driving Eric to carry on with his operation?

This password was then unwittingly placed in the Guardian's book on the embassy cables, which was published in February 2011.

Needless to say, the hero is wrong about everything and has unwittingly placed himself in terrible jeopardy.

Mr. Hockney said that for all of his pleasure in California, he resents the aesthetic limits placed unwittingly on him and others.