Require full prison terms for child killers

Background

I want the Government to change the law so that anyone convicted of murder, or manslaughter involving a violent assault against a child, must serve the full custodial sentence imposed by the court, with no automatic early release.

Additional details

I am calling on the UK Government to amend the law so that anyone convicted of causing the death of a child through a deliberate violent assault, whether convicted of murder or manslaughter, must serve the full custodial sentence imposed by the court, without automatic early release.