The not proven verdict is a comprehensive cop-out. The accused person may be technically and effectively acquitted. Of course, he cannot be retried for the same offence, but it leaves an indelible smear on the character and record of that acquitted person. That is a thoroughly undesirable departure from the principle that we are all innocent until proven guilty.
On Monday this week, a jury returned a not proven verdict on a lawyer who had been accused of a drugs offence. In theory, he has been acquitted, but it is fair to assume that his reputation is blemished, and that his career is likely to be affected as a consequence of that not proven verdict. He is not guilty but, after that verdict, he is not innocent, either.
I appreciate that the not proven verdict is a welcome bolthole for a guilty person who would otherwise be sentenced but, by the same token, it is an intolerable burden for an innocent person to carry, and all the worse because one cannot appeal against a not proven verdict to clear one's name.