Arrested for a violation?

Yes. You broke the law and therefore you can be arrested.

Why would the police ask an informant to have a DNA swab done,was told they needed it because a old charge calls for it.?

Any answer would be pure speculation. No idea.

How many letters?

As many as they want to send. If you want them to stop, I'd suggest hiring an attorney to write them a letter. This usually stops it.

Can DA charge me more than what is on the complaint document in Federal Court? what is the risk of reopening the case

Law enforcement agents do not charge you. The prosecutor decides what to charge. They can remove charges they feel are not warranted and can add...

The age of consent is 17. Sex with a person younger than 17 is illegal regardless of the age of the other person. Sex with a person 17 or older...

Is your friend's parent really a lawyer? Or does she practice criminal law? I've never seen an attorney tell a person (who isn't even a client)...

Do I have a chance and what happen if a motion to reopen a criminal case in a Federal Court is granted?

If your conviction is overturned, you go back to the place your were at prior to conviction. All options are on the table including potentially a...

Can I transfer schools when I’m 18 without parents permission?

nope

Have you been indicted yet? If not, the obligations of the prosecutor to turn over discovery is very limited. You might not be entitled to...

I'm 18 years old senior can I date 16 years old sophomore in ny ?

Dating isn't illegal. Sex with a person under 17 is illegal and you can be charged.