The U.K. is considering mandating the use of chemical castration for sex offenders under an overhaul of the justice system aimed at freeing up more space in its overcrowded prisons, Reuters reported. (Credit: Reuters.) The U.K. is considering mandating the use of chemical castration for sex offenders under an overhaul of the justice system aimed at freeing up more space in its overcrowded prisons, Reuters reported. (Credit: Reuters.)