Someone stole my iphone 5 and i can't track it no more?

I got a red dot on find my iphone and it won't show the map no more my phone got stolen friday since then i have locked my phone and send many messages and alerts i have also blocked it in att from being used i stopped all service and i keep sending alerts is the looser who stole my phone going to find a way to break in is there a way?

Once you lock/wipe your phone I don't know if you can track it anymore. Even if they can figure out how to break into it, they won't find anything useful on it.

Anyway, you also certainly can't track it once the battery is dead or the SIM has been removed or the phone's been smashed or whatever.