HOA lien and equity

I am guessing this is a Rick Harmon or Ward question. First off, here are the facts: my company purchased a property at a California trustee sale where the HOA was foreclosing. The total debt bid (and opening bid) was 7500.00 and our winning bid was 85,000. There is a current 1st mortgage originated in 1985 with a balance of approx. 52,000. The fixed up value of the property is 340,000 or so (it needs about 30k in repairs). This is a condo, and no one in the community has seen the owner since 1987 or so. Inside the condo, it looks as though it hasn't been touched since 1987. In fact, there is a 6 pack of beer in the fridge from about that time. Once again, the 1st mortgage is current and was paid after we purchased the HOA lien. Taxes are also current. We are about 30 days into the 90 day right of redemption period and I honestly dont think he's going to redeem. Also, the trustee doesn't even have another address for him other than the property we bought so his overbid (85,000-7500) of 77,000 will never reach him. 1st question, do we have any claim to that overbid if he never claims it? I'm am assuming we dont, but its worth a try given the amount. Secondly, thoughts on where he might be? My thought is he's incarcerated and his first mortgage is on auto-pay. I would love to know your thoughts....

FYI- Rick I just read your probate book and I love it! My company has purchased about 500 properties since the start of 2008 and we are particularly keen on on the tricky deals, as it seems those are the ones (like the above) that not many people go after. Probate seems to be even trickier but we are looking forward to the opportunity!