
Protecting children who have been beaten by their parents, stopping the police from storing the DNA of innocent people.
We're not sure why some members of the European Court of Human Rights (ECHR) has become so controversial among the Conservative party.
The party today announced plans to scrap the Human Rights Act and replace it with a British Bill of Rights if they win the next election, emphasising they could leave the system if Westminster’s sovereignty is not recognised.
Here are some judgments from the court that you probably won't hear David Cameron talking about as he defends those plans:
Banning fines for immigrants who want to get married: O'Donoghue and Others v the United Kingdom (2010)
A scheme which charged immigrants a fee if they were not planning a Church of England wedding was ruled a violation of the right to marry (article 12).