Two does not necessarily make a trend, to be sure. However, if the odds are 1 in 10,000, a small number of incidents quickly become a significant indicator that the way this guy handles cases dramatically increases the likelihood of suicide.
I don't know if any reports have been done on the subject that would be relevant here (specific to federal defendants, as they generally are looking at more time and are more likely to be experiencing jail for the first time than state defendants). However, anectdotally, I know a fair number of criminal defense attorneys, and they all say that it's actually quite rare. It seems that most defense attorneys have never had a criminal client commit suicide.
As I said in the original comment, it could just be a coincidence. However, if the bodies continue to pile up over the years (or more likely, that there are far more suicides already on the guy's resume that we simply haven't heard about), that will become less and less likely.
I don't know if any reports have been done on the subject that would be relevant here (specific to federal defendants, as they generally are looking at more time and are more likely to be experiencing jail for the first time than state defendants). However, anectdotally, I know a fair number of criminal defense attorneys, and they all say that it's actually quite rare. It seems that most defense attorneys have never had a criminal client commit suicide.