MOSCOW, September 7 - RAPSI. The mother of lawyer Sergei Magnitsky, whose death at a Moscow investigative isolation ward sparked a major public outcry, has appealed investigators decision to resume the criminal case against her son, her attorney told the Russian Legal Information Agency (RAPSI) on Wednesday.

Magnitsky was accused of corporate tax evasion in relation to his work for the successful foreign-run Hermitage investment fund. He died while in pre-trial detention in November 2009. According to the Prosecutor Generals Office, his death was caused by cardiovascular insufficiency. However, the government investigation into his death found that detention center officials refusal to provide timely medical care played a role in his death.

The criminal case against Magnitsky was terminated by the Investigative Committee due to his death, but the Prosecutor Generals Office decided to resume the investigation. Magnitskys relatives have demanded that the case against him be dropped.

The attorney for Magnitskys mother said that his client will likely not show up for questioning she was ordered to attend on September 8, 2011 at 10:00 am Moscow time by investigators in the matter.