Originally Posted by DBug:
In Canada, you can call the CAS anonymously to ask if you should report a specific situation. Perhaps if you were to call the CPS (or the cops) "just for advice", you might feel confidant enough to report this family, since you'd be on the phone with them already 
. I know sometimes if I can trick myself into almost doing something, I can summon the guts I need to actually do it 
.
Honestly, we need more people in this world like you, who are willing to put themselves out there to protect a child, rather than just look the other way. Let us know how it goes!
I cannot speak for the whole USA, but here in CT if you are a mandated reporter you cannot be anonymous. I ran into this problem with a family member last year.