If and ICE hold is placed on a non-citizen does that mean they are in trouble with immigration?

It pretty much means deportation with a few exceptions. You need an immigration lawyer.

Can I be blackmailed into being an informant???

Possibly

If a person was charged with robbery by force & got 10 yrs do 5 how much do you think he will actually do ?

Anywhere from 65% to 95%.

If i was charged with simple battery and the victim refuses to testify what will happen?

You'll be prosecuted. The state can compel your boyfriend to testify. If he doesnt come to court he can be arrested. Hire a lawyer.

1 time 17 year old misdemenor less than an ounce of marijuana. Paid $955 to get him out, will he face more jail time? No priors.

Probably not.

My husband is currently in jail on a VOP because of another charge. Will both charges run concurrent in court??

The new violation could result in revocation of the balance of the probated sentence on the first charge. Most likely the sentence on the second...

What is a pre trail diversion?

Its not available in all cases. Can you provide some more information please?

Advice: What should I do?

Meet with the public defender; complete the application to be appointed a public defender. If it's denied, you don't get a public defender.

Possibly.

I traveled out of the US March 14, 2013 and returned March 23, 2013 and notice my passport was not stamped indicating my return.

Just keep the paperwork for your records. I don't think it will be a problem.