Crime?
If a community is suffering from a very high crime rate (and some American cities are amongst the most violent cities in the world) - why are we prioritizing one set of rights (right to privacy) over another (right to personal security, right to raise children in a safe environment)? In many cases, you can't have one with the other. Privacy or Personal security - pick one.
And there is a class component to this. If you live in a nice safe (and affluent) neighborhood, I'm sure privacy is much more important to you because you don't have to worry about your children being hurt by or recruited into gangs on the way to school. You don't have to worry about getting mugged or assaulted walking to the store. If you live in a community with a high crime rate, are you sure you want to focus on privacy and rights of criminals?