The sister of a girl who was brutally raped and killed in a Blackpool hotel is fighting to make the justice system fairer for grieving families of murder victims.
They were only given 28 days to appeal a sentence which they say was 'unduly lenient' - under a law which Katie is now fighting to change.
They need 100,000 signatures in 6 months, after their previous petition ran out. Add your name at https://petition.parliament.uk/petitions/641412/signatures/thank-you