The rights-based strategy of dissent merged with the idea of human rights. The human rights movement included figures such as Valery Chalidze, Yuri Orlov, and Lyudmila Alexeyeva. Special groups were founded such as the Initiative Group for the Defense of Human Rights in the USSR (1969) and the Committee on Human Rights in the USSR (1970). Though faced with the loss of many members to prisons, labor camps, psychiatric institutions and exile, they documented abuses, wrote appeals to international human rights bodies, collected signatures for petitions, and attended trials.