Pu Wenqing, the elderly mother of Huang Qi, has state security police stationed in her apartment, and even her bed, a fellow activist says.
Short on supplies during the winter months, hungry recruits break into homes and farms near bases.
A group of independent Chinese students calls on governments and universities to act, after threats to ethnic minority activists outside China.
Lee Ching-yu talks to journalists during a trip to the U.S., where she attends the State of the Union address.
