If you have sources, then why don't you cite them? As a rule, lawyers will not say that any one specific client is a Legal Aid case. The fact that they do some Legal Aid work and talk about it can't be used to prove that every one of their clients is a Legal Aid case.
FWIW, I have never before heard the claim that Bernardo was a Legal Aid case. And if him, why not Homolka?
Sorry but until I see an actual citation, I'm not buying it.
It could be that because of the case against his lawyer (Murray), the arrangement became public knowledge; the decision discusses Murray being paid by legal aid for representing Bernardo and that he purposely didn't bill legal aid for the copying of the video tapes so that prosecutors wouldn't get wind of them. (source: R. v Murray, 2000)
http://www.canlii.org/en/on/onsc/doc/2000/2000canlii22378/2000canlii22378.html