2 adverbs to describe how to ambushing

There were a hundred of them, so cleverly ambushed behind a hedge that we would never have suspected their presence had we not caught the glint of sunlight on their rifle-barrels.

There could be no surer sign that Mukoki and Rod were still among the living, for why should the Woongas employ this caution if they had already successfully ambushed the hunters?

2 adverbs to describe how to  ambushing  - Adverbs for  ambushing