The plans will affect individuals placed on the register for life - those sentenced to more than 30 months for a sex-related crime.
BBC: Who, what, why: When is a sex offender not a risk?
2.
Though rape is overwhelmingly (and, some would argue, intrinsically) a male-on-female crime, women may also sometimes be charged with sex-assaults on men.
ECONOMIST: Whether sex is rape depends partly on where it happens
3.
Mr Rowley said about a quarter of those involved in "high-risk" crime including organised crime and sex offending, were foreign nationals.