Some of this stuff is public info. The head of our firm should have probably done more checking. But there are limits, of course, and it's a pain and can be expensive.
A database of the sort that you suggest is prohibited by libel and slander laws. You'd instantly be sued. While libel and slander laws serve useful purposes, they also serve to prevent people from warning each other about predators.
If you say "hey, this person is a predator, this is what they did to me and and I have proof," you can be sued. Sure, you might win. But if you're not rich, you can't defend yourself.
A database of such information might be sued out of existence, but a meta-search engine wouldn't be. There's nothing libellous about having a really good targeted search engine focusing on say lawsuits.
A database of the sort that you suggest is prohibited by libel and slander laws. You'd instantly be sued. While libel and slander laws serve useful purposes, they also serve to prevent people from warning each other about predators.
If you say "hey, this person is a predator, this is what they did to me and and I have proof," you can be sued. Sure, you might win. But if you're not rich, you can't defend yourself.