[SoftTalker]

Well the 4th amendment does not mention a limitation to the government. It says "The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated" it says nothing about limitation to government actors.

It does go on to talk about Warrants which are government instruments, and I agree that taking pictures of licence plates on public roads would not be a violation anyway.

But you can't argue that because I'm a private person, or that because TransUnion is not the government, that it's legal for us to go searching through peoples houses or papers or effects.

[bee_rider]

The constitution covers government behavior.

There are lots of other laws you’d have to worry about if you were trying to investigate somebody. Trespassing/breaking and entering for example.