Can the District Attorney refuse to accept an admission of guilt?

There is more to this than you are stating in your post. There are some facts missing here.

Yes, you can be given a letter to appear in court and later be ordered by the court to get booked.

Can i get a copy of an agg. Sexual assualt statement which I have been charged but not pleaded in court yet?

Not likely. You'll likely have to wait until their investigation is concluded. Agencies don't normally share their investigative reports and...

I am on Felony probation and during a search of my parents home, where I am staying, they found ammunition. What can happen?

You have serious trouble. There is clearly a BS case, but nevertheless as a felon, you can't own, use or possess firearms or ammunition. Santa...

I was given a cell phone ticket, however, the cop said I was speeding. I was on a motorcycle so I can't be on a phone.

Fight this, however, cell phone isn't a point on your license, so you can't get traffic school.

How long can disputed fines stay on HOA ledger, what are options in disputes?

Repost this. It got into the wrong category

Can i fight this?

You are missing some key facts here. If you never went to court, you can't have a criminal conviction.

Police Brutality dislocated right thumb during handcuffing,lifelong injury,can I sue? I wasn't read my rights

See a civil attorney to review any claims you may have.

I was caught with about 3 grams of marijuana with a physicians recommendation but on a federally funded campus.

In reality, when ever the police show up and start seizing things, trouble is around the corner. You need to get a lawyer ASAP.

A Prosecutor is granted immunity. from any wrong doing ? He or She can leave relevant evidence out, knowingly?

You clearly understand what defense attorneys go through every day.