"..Matthew Hale
One of Greenwald's more notable clients was neo-Nazi Matthew Hale. Hale was eventually jailed and tried for solicitation of murder against Joan Lefkow, who had been the federal judge in the trademark case. Although Greenwald was not involved in his criminal defense, between Hale's conviction and sentencing, he attempted to use Greenwald to convey a coded message, but Greenwald refused.[2] At the time, Hale was suspected of complicity in the recent double murder of Lefkow's husband and mother, but he was eventually cleared. He remains jailed for the earlier conviction..."
[snip]
"..Controversy and criticism
In July 2006, Greenwald was accused of praising himself by pseudonymously posting comments on several other blogs, a practice known as sockpuppetry.[7][8] Greenwald denied the charge, stating "I have never left a single comment at any other blog using any name other than my own, at least not since I began blogging."[9].."
What a spurious argument? You cannot judge defense attorneys by the vices of their clients.