Girenko had served for many years as an expert witness in trials involving alleged skinheads and neo-Nazis .
In February 2007 police charged suspects in the June 2004 killing of Nikolay Girenko , an expert on xenophobia , racism , and anti-Semitism .
expert had served for many years as an expert witness in trials involving alleged skinheads and neo-Nazis .
In February 2007 police charged suspects in the June 2004 killing of Nikolay Girenko , an expert on xenophobia , racism , and anti-Semitism .