Cannot tell you what to do. However, if you plead not guilty and officer does not show at trial case will be dismissed. If he does show you might...

No to both! You can only see them if you subpoena them.

License downgraded and deemed invalid due to non-response of supposed letter sent by the Feds that randomly asked for retesting

There is not enough info to respond. I assume you have a commercial license with various degrees (hazmat, etc). No question presented

Arrested for theft, but I paid for all my goods When is it theft?

I agree with my colleagues. Do not pay any civil demand letter you might receive. Get an attorney, Use a basket to carry your goods.

Do I need a lawyer? DUI in California

More than likely your friend is going to be charged with a DUI. You should get an attorney ASAP to deal with the court matter and report to the DMV...

Got ticket for not obeying traffic devices while turning left

Not only is my colleague correct, but you have some valid defenses to this ticket. The judge will want to know your familiarity with this...

Do I need a dui attorney?

Yes- get a DUI attorney immediately. The DMV has to be contacted within 10 days. You think you passes the FST's . Get an attorney ! Andrew Roberts

Do I need an attorney for the following situation (below)?

No- but as my colleagues have stated, contact the supervisor at the detective' s office.

Got a ticket for crossing double yellow lines into the carpool lane. Did so for safety; can I fight this w/necessity defense?

Fight the ticket with an attorney!

Feb2013 I rec'd a red light camera ticket in Culver City at Jefferson&Duquesne. I thought these were illegal in LA County?

Red light photo tickets are still legal on culver city.