Practitioner Ms. Yang Sufen was in her 60's and a retired engineer from a design institute in Guangzhou City, Guangdong Province, who used to live in Langfang City, Hebei Province. She used to suffer from severe asthma but recovered after she started practicing Falun Dafa around 1997. On July 20, 1999, she went to Beijing to validate Dafa. After her return, the local police and officials from the 610 Office detained her. Before the Sixteenth Party Congress, she was sent to a brainwashing class. She wrote guarantee statements and was released. Her family didn't let her leave home and she lived under tremendous pressure. She passed away in the winter of 2004.