What do I do after my joint I-751 petition has been withdrawn by my husband (petitioning spouse)?

Based on what you have posted you may have a couple different options. Consult privately with an immigration attorney to decide which is best for you.

If your arrested? Can the cops legally search through your phone without your permission?

They shouldn't be able to search the phone without a warrant or exception to the warrant requirement. If they did, your lawyer may be able to have...

How can a drug patch test positive for a drug if the person hasn't been using?

False positives can happen with pretty much any type of test. If you are being charged with a violation for this, you should have an attorney help...

Will I get a ticket if I wasn't pulled over for rolling through a stop sign?

I would be very surprised if the officer cited you after deciding not to pull you over. You are probably in the clear. If you want to be super safe...

What percentage of the sentence time will a first time offender need to serve in mn state prison?

Usually in Minnesota a person has to do 2/3 of their sentence. I can't give you any more information than that based on what you posted.

If someone been charge with second degree unintentional murder, can the person qualified for probation/ instead of prison time?

I suppose it is possible but it would be pretty unlikely. Would be better to try to avoid being convicted of the charge.

Will my Wisconsin Driver’s license get suspended for an additional 6 months?

Yes. Usually your home state will impose a reciprocal suspension equal or greater than whatever the state of offense imposed.

You should seek out a Canadian criminal defense attorney for help with this question.

Will I get drug tested on Diversion for a DUI if I pass the drug and alcohol assesment?

Depends on the diversion program. Some require testing and some don’t. You should plan to be tested to be safe.

What if an officer came to your home and arrested you without a arrest warrant ? Or neither you were caught in the act.

If there was probable cause to arrest there was no need for a warrant. Have a lawyer explore possible suppression options for you.