%0 Journal Article %T Analysis of the problems of existing social security systems for police officers in the US, EU countries, the UK and China: comparative legal research and judicial practice %A Vnukova, D.R. %A Trishkina, E.A. %K social security, social welfare, police officers, protection, personnel management %J BULLETIN OF ECONOMIC SECURITY %D 2026 %N 0 %P 4 %I Moscow University of the Ministry of Internal Affairs of Russia named after V.Ya. Kikot