People move into a house a block down the road. You know who`s going in. You can see and you report them to the local police. Everybody`s their own cop in a way. You got to do it.
We have the bad habit, some of us, of looking back to a time - almost any time will do - when society was stable and orderly, family ties stronger and deeper, love more lasting and faithful, and so on. Let me be your Cassandra prophesying after the fact, and a long study of the documents in the case: it was never true, that is, no truer than it is now.