I recently came across an app available on both Android OS as well as Blackberry. This app is called Loky Plus. This all allows text messages to be sent and received without going to the normal inbox. This app, once installed, does not have an icon you can look for to access these hidden messages. Contacts can also be hidden with this app. This app can also scrub your call history of any determined contacts. I have attached links that better describe all that this app does as well as how to access it on a suspect’s phone. Remember, there is no icon or button to push.