An excellent Russian documentary on this topic is &quot;The Mark of  Cain&quot; [0]. It goes into a lot of detail and interviews with prisoners, as well as a good portion of the film focused on the tattoo traditions in women&#x27;s prisons.<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;The_Mark_of_Cain_(2000_film)" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;The_Mark_of_Cain_(2000_film)</a>