Is it legal or against my constitutional rights for a trucking company to install a camera inside the cab of their truck ?

The company owns the trucks and they can install whatever they want on it or in it.

I agree with Attorney Biggerman - you may have a claim (or leverage for a change) under the Americans with Disability Act and Ohio law - but more...

Looking for a lawyer to review Employment contracts. Is any one available for that right now ?

There are a number of good employment lawyers in the Dublin - Columbus area who can help - you can search here in AVVO or online.

Do I have a valid claim against my manager?

My suggestion is that you report this gross behavior to the HR office or someone higher up in the main office. Then you can consider a claim if...

Do I have any case for a wrongful termination or any other case?

The default in Ohio is employment at will, meaning you can be terminated for any or no reason at any time, absent any sort of agreement otherwise...

Can I sue the franchisor for damages? what are my changes? Can i have my money back?

More facts are needed BUT assuming by "signing the FDD" you just mean the Receipt page then you have NOT entered into a formal agreement. If you...

How long does it take before hearing something? What is the usual outcome in a case like this?

You should check with your counsel - if you do not have one, you will need one to see this through.

If they would terminate me for some unknown reason is the signed confidentiality agreement binding?

It is likely enforceable post employment but if the "secrets" are already in the public domain (vs. true protected trade secrets), it may not be...

Are we are right in calling the police? Are there other actions we should take to protect ourselves (other than documenting).

You should contact your legal counsel and ask for their advice and guidance.

Can colleges be nonprofit franchises? Will accreditation at corporate equal accreditation at franchises?

There are models for franchises in the non-profit sector. But, if you intend that the franchisees would be "non-profit" organizations, then they...