coverup, misled, raised as many questions as it answered

 Murdoch Contends He Was Misled

News Corp. CEO Rupert Murdoch said he should have been quicker to address allegations of unlawful reporting practices at the News of World tabloid, but he told a media-ethics inquiry that he blamed others for misleading him as part of a coverup.

Olympus Coverup Spooks Investors

Olympus's admission that it spent decades covering up investment losses raised as many questions as it answered.

cover-up
or cov·er·up (kŭv'ər-ŭp')
n.

1. An effort or strategy of concealment, especially a planned effort to prevent something potentially scandalous from becoming public.
2. A loose garment for wear over other clothing, such as a swimsuit or an evening dress.