What is the worst case scenario of a misdemeanor larceny?

Changing question to criminal defense category for answers from local lawyers.................

Can I get my green card even though my mom hasn't gotten hers?

Changing to immigration category to get answers.

Victim is an illegal immigrant?

Yes, it might be used against them as identity theft is a criminal offense and it certainly could have an impact on their credibility.

How many years can they use a charge for a enhancement against you?

How many years for enhancement? No time limitations................

If I have work project tomorrow will they drug test me?

Don't think so. Stay clean and you have nothing to worry about.

Can police start a search if warrent has not been provided and house it froze?

Police will typically need a warrant before conduction a search, but there are some exceptions. You should consult with a criminal lawyer to review...

How they can pull me over and arrest me when I wasn't the individual on the search warrant

You may have a valid defense for unlawful police stop. Consult with a criminal lawyer to review the details and go over legal options.

Moving to immigration category for answers.......................................

Is there drug testing for someone who was given a one year unsupervised probation.

Most likely, It would be wise to just assume the drug test are coming. Consult with your lawyer for more information.

What are the charges an affect of domestic violence?

Its not clear exactly what information you are seeking. Please repost.