Conversation so far:
Did the Investigative Committee have any clues on Anna Politkovskaya's murder?
Russian Federal Intelligence Services (probably FSB) are known to have targeted the webmail account of the murdered Russian journalist Anna Politkovskaya.
How did the Russian Federal Intelligence Services target Anna Politkovskaya's email?
On 5 December 2005, RFIS initiated an attack against the account annapolitovskaya@US Provider1, by deploying malicious software which is not available in the public domain.
Did the Russian Federal Intelligence Services get into trouble for targeting Anna Politkovskaya's webmail account?
It is not known whether the attack is in any way associated with the death of the journalist.

Question: Did they have any murder suspects?
Self-contained rewrite: Did Russian investegators have any murder suspects for the Anna Politkovskaya murder?