Here's an interesting proposed law in the New Jersey legislature, that if passed, would allow the police to seize your cellphone if they had a "reasonable suspicion" that you were using it when you had a crash in your car.

Of interest from the article, the police can't seize your phone for a simple traffic stop.

Still, it is one more step in the state taking more of your Fourth Amendment rights away from you, one little bit at a time.  Also recognize that as they chip away at your freedoms, they will always use a reasonable sounding rationalization for doing it.  In this case, if the phone really was thought to be evidence, what's the big deal going to a judge and getting a warrant for either the phone or your phone records?

Notice as well that the names of the people supporting the bill are foreign sounding, suggesting that they come from places where it isn't recognized that you actually have a right not to be subjected to unreasonable searches and seizures, while the one person who was against the proposed law had a quintessential American sounding name.  On another note, hey, let's pass that amnesty bill right now, ok?

Finally, the legislator who is proposing this law is a Republican.   Yes, Republicans, they do indeed thirst for death.