Prison bosses have dramatically moved one of Scotland’s most controversial trans prisoners to a male jail.Murderer Sophie Eastwood, who entered the prison estate as Daniel, has been moved from Cornton Vale women’s jail - where she has been housed for six years - to Shotts, which is all male.The move, on Tuesday this week, flies in the face of Scottish Prison Service policy in recent years, which respected the gender chosen by each prisoner.The shock decision also comes after Eastwood, 38, recently told the Daily Record she would not survive in an all-male jail.And the move follows an explosion in bitter debate about how prisoners who say they are trans should be dealt with.Isla Bryson - who was known as Adam Graham when carrying out violent sex attacks on two women - was earmarked for a women’s jail until a huge storm erupted.First Minister Humza Yousaf pre-empted an ongoing review of SPS policy by announcing that any trans prisoner who has been guilty of violence or sex crimes against women will now be held in men’s jails.A source said: “The shifting of Sophie Eastwood is a very interesting case because this is a prisoner who is quite complex but who has lived in the women’s estate relatively quietly for six years.“There are various other women’s units in jails up and down Scotland but she has been sent to Shotts, which is conspicuously all-male.“It’s not clear if this is a pre-cursor to a new direction of traffic that might be revealed in the SPS’s current review of trans prisoners, which has been a long time in the making and is overdue.”Speaking to the Daily Record in February this year, Eastwood said: “I was threatened by other prisoners in the male estate when I started to transition and the main threat was that I