This is a quote from a search just today Page 2 of about 83,800 results (0.29 seconds)
"Forget about PC spyware, they're nothing compared with mobile phone spyware that enables call- and text-monitoring. But worst of all, mobile phone spyware allows anyone to tap into the phone remotely and activate its microphone, even when it is turned OFF.
So It doesn't matter if you have an iPhone, Blackberry or any Android phones. These spyware programs are not expensive (often free), or difficult to purchase or install. Your smartphone can also tell your location. We all need our mobile phones, so now there's no place to hide. There are several spy services out there for people who are desperate to monitor their children or employees. Companies such as Mobile Spy will help you monitor their call, mobile web browsing and text message activities. You can just log into your Mobile Spy account from any computer and see everything - including GPS locations too! Scary!
One popular spyware for mobile phones is Flexispy. It comes in four packages, with the high-end Flexispy Pro-X having features such as live-call listening, secret mobile GPS tracking, SMS message reading, phone call history, email, and the ability to secretly listen in on the phone's surroundings. The entry level product is Flexispy Bug which allows remote listening only. It turns your phone into a bug so someone else can listen to everything.
Are you safe? Probably not. A quick way to check if you phone is bugged, look for sudden drop in battery power, and then unusually billing activity with random numbers. If you for whatever reasons need to engage in a secret conversation, take the battery out of your smartphone.
As early as 1997, the National Reconnaissance Organization warned that any mobile phone can be turned into a microphone and transmitter for the purpose of listening to conversations in the vicinity of the phone. This is basically done by transmitting to the mobile phone a maintenance command on the control channel. This command places the mobile telephone in 'diagnostic mode'. When this is done, conversations in the immediate area of the telephone can be monitored over the voice channel. This diagnostic mode was originally designed for remote software update. Now with GPS, not only they can listen in, they can locate you within feet. So, when do they start making anti-spy software for cell phones?
Don't expect these privacy risks to go away. The reality is all governments have no desire to fix this problem or to make these products illegal. The more they can find out about you the better protected they feel. It is like 1984"
But this would be in an extreme case like if you was involved in a major crime like a murder