I usually find little to disagree with in Tellners posts and the linked article seems quite serious but I find it hard to imagine that such a terrible situation can exist in a military organisation.
I know quite a few old and ex-squaddies and whilst they can, for 'civvie' tastes, be quite alarmingly racist and sexist, I have no doubt that anyone in one of their units, who committed something as bad as a rape of one of their own female fellows, would think themselves lucky to still be moving when the MP's arrived.
That 'rough justice' mindset is particularly prevalent in the Sergeants I know, as they naturally think of the effect on the unit as a whole as well as the individuals 'involved'.
To elaborate a little, in the British army there is a lot of what the private soldier politely refers to as '********' - this is such tedious mundanities as keeping shiny kit shiny and non-shiny kit orderly and clean. If one member of a unit fails in this, ridiculous as it sounds to we non-military types, then the whole unit takes punishment.
An oft repeated tale I've heard from every NCO I've known is that if they have a 'lazy' soldier on their hands then they take him behind the barracks and 'explain' it to him until he understands. This is despite the fact that in these modern times they're not supposed to physically discipline the troops. Now if they do that for a non-shined cap badge, what on earth are they going to do for a serious felony?
That's why I find it hard to countenance that such an endemic 'problem' can grow unseen. There is of course the ever present truth that the stresses and strains of irregular warfare can bring out the worst in men but still ...