The reward was announced in a joint statement of U.S. President Barack Obama and Russian President Dmitry Medvedev on cooperation in counterterrorism .
The United States government offered $5 million for information leading to Umarov 's capture since May 2011 on the grounds of his hostility to U.S. interests .
The reward was announced in a joint statement of U.S. President Barack Obama and Russian President Dmitry Medvedev on cooperation in counterterrorism .
The United States government offered $5 million for information leading to Umarov 's capture since May 2011 on the grounds of his hostility to U.S. interests .