Where do insurance companies ivest their money. How does this business work?

I work in a chiropractic office. While treating a patient for a workers comp injury, the insurance adjuster for the patient came and "pretended" to get treatment for an injury. She would make appts around the same time as the patient being treated under the workers comp company she worked for. ...

I was involved in an auto incident last year in where I was struck by a motorist in CA without auto insurance. I received my policy check from my own auto insurance from my uninsured motorist coverage. I had to have surgery as a result of the accident and my personal health insurance paid for it...

In Michigan can a mortgage company charge more for insurance than the actual cost. Also, can you tell me the law on this. Thank you