How far a private sector employer (California) can go to find 'employee's character/behavior?

The facts you have described do not suggest any legal violation. Employers can conduct detailed background checks. Doing so does not obligate...

Did the manager at my employer's business incite violence with actions and words? Or was I supposed to tolerate his behavior?

The law affords no special job protection to someone who physically assaults their boss, regardless of what prompted the violence. I'm not sure if...

Im an auto shop manager. My employer wants to cut off my salary and make me commission. I know there are laws since im a manager

I'm afraid your understanding of the law is incorrect. Your employer only has to pay a salary twice the minimum wage if they are seeking to...

You may wish to consider filing a lawsuit in small claims court, but given your minimal damages I wouldn't expect more than a nominal recovery. ...

On approved family leave & my boss is now telling me that my part time position is no longer available but wont fire/let me go

Unless you are eligible for CFRA leave, you do not have a case, despite what your employer may have assured you about the security of your job. If...

I was fired when I asked for accommation concerning my work schedule after informing employer that I had Rhematoid Arthritis.

As the other responders have noted, employers must reasonably accommodate employees suffering from a "disability" as defined under California's...

A truck driver did not stop and ran into me while I was signaling and making a turn into my driveway.

You are only going to get fair market value. By definition, that amount should be sufficient for you to purchase a comparable replacement vehicle....

Can my old employer not give me my settlement for overtime and sue me for defemation over writing a book?

I have addressed your question in the duplicate posting.

Can my old employer not give me my settlement for overtime and sue me for defemation over writing a book?

Nobody on this limited and public online forum could possibly state an opinion as to whether you are exposed to a legitimate defamation suit. That...

Job eliminated, spread out role to other people. I'm over 40.

The fact you were over 40 does not in itself confer any sort of job protection. You still need to prove that "but for" your age, your employer...