Should I settle with what they r offering which is not much I have permanent disability at 8% with medical from now on and job

Consult a workers compensation attorney to review all of the facts.

Is a contingency fee agreement valid if it requires you to accept the settlement offer instead of going to trial ?

Why would you want to go to trial with an attorney who does not think that is a good idea? You might want to reconsider the offer or get a new...

When would the fee be applied?

The fee usually applies to the entire settlement. The medical bills and liens are usually negotiated.

Can I sue?

Yes, take a picture of the area and consult a personal injury attorney.

Should I admit I was driving? Or should I invoke my 5th amendment right to not incriminate myself? What could I be charged with?

You need to consult a criminal defense attorney as soon as possible.

Question is in the situation.

You love to have video. If someone gets hurt by your negligence and they know you have relevant video they can ask that you turn it over. If you...

Car camera; can it be used against me?

It could be used against you but it is unlikely.

Is a conservator required to report incidences or file complaint to the right agency regarding his client?

If there is an injury resulting in a deviation from the standard of care then there might be a case. From the limited facts provided , I doubt it.

Do I have a legal case to sue

I do not see a case from the facts presented.

If you were injured consult a personal injury attorney. Contact the 911 to see what their procedure is. It usually require a FOIA request or a...