Home Secretary Theresa May will give a keynote speech at the Police Federation conference today. Last year, she was heckled, booed and faced calls to resign.
Mrs May is to unveil proposals to to ensure people who kill police face minimum whole-life jail terms.
The Police Federation hopes the Government will to "listen to and acknowledge" issues affecting its members at this year's conference.
"We are reforming the police force to make sure it is equipped for the challenges of the future", says the Policing minister.