be shrouded in secrecy

Shrouded in secrecy: breaking the news of HIV infection to Ghanaian women
Resource allocation. Health inequalities row is shrouded in secrecy
Disinformation Dustup Shrouded in Secrecy. (Political Notebook)
Physician suicide still shrouded in secrecy
Plans for major NHS cuts are shrouded in secrecy, warns BMA.
Drone Program Still Shrouded in Secrecy
'Fat cat pensions are still shrouded in secrecy'
Japan's Death Penalty Process is Shrouded in Secrecy
Shrouded in Secrecy
Shrouded in secrecy