What will happen to my friend? He got a citation for assault on an officer uner the influence of "Kief"?

A repeated question. Look to the responses given the first time you asked. Your friend needs an attorney.

How can I check to see if my x-wife has a driver licenses?

Have your attorney do it. It is a valid concern

What would happen if Caught with glass pipe containing marijuana residue with 4 grams of marijuana in California?

Probably 2 charges 1) infraction for the dope 2) misdemeanor for the pipe with resin. Go see a local criminal attorney.

I can't tell exactly, but it looks like someone was released with a return to court date letter or the court will issue one soon. Talk to a...

Can I apply for deferred action if I was charged with a felony hitting and running but was never convicted?

Unclear, but it sounds like you got a deferred entry of judgement, then paid your fines and did your probation. If so, you would be in the clear....

What are the chances 7.16.040 AMC urinates in public and it's circled as a misdemeanor be reduced to infraction?

This is a section of the Anaheim Muni Code or city code. Talk to local counsel. Reduction to infraction is possible.

Arrest warrant not posted

I have never heard of such a literal "posting" of an arrest warrant. Such would tend to defeat the order of the court.

What can happen?

Why your license was suspended originally will have much to do with the outcome of your present situation. The more severe the previous...

How can u be charged with pc496(a) when the item in question is a I.D and expired over 5 yrs ago?

Sure. Better speak to counsel.

What would be the typical consequences for someone who missed 4 anger management classes in San Bernardino Ca?

4 missed classes in Riverside or SB County will get you terminated from the program and a probation hearing.