| She soon discovers a cover-up involving contaminated water in a local community. |
| It may be that we are faced with a serious cover-up which goes to the highest levels. |
| For them, the cover-up of serious crimes is a way of life, a feature of their everyday business. |
| Inference is drawn that an alleged cover-up automatically implies the truth of the hypothesis. |
| If so, as so often, the attempted cover-up is far more culpable than the initial flaring of temper. |
| These revealed the President's close involvement in the original crime and its subsequent cover-up. |
