Private lives: Nadine O'Regan on the pitfalls of personal email

Sometimes the things that get you into the most trouble are the most ordinary-looking matters of all. That’s a statement to which the tax-evading Al Capone could easily have attested, and to which, over the past few days, people on the other side of the law might also find increasingly relevant.

Garda Commissioner Nóirín O’Sullivan made headlines across the media last week for doing something most of us would regard as pretty low-key: ...