Does possible re-injury or injury compounding resulting from a vehicle accident necessitate that everyone file a police report?

It is a good idea to file a police report after a motor vehicle collision. Tell the truth.

A defendant's having retired and left the country should not be an insurmountable obstacle.

Can I file a complaint against multiple persons with different causes of action against perons?

You should review the Civil Rules, particularly the following: 18 Joinder of Claims and Remedies 19 Joinder of Persons Needed for Just...

Most likely, you should pay your debt to society.

What does COM PL ARR/VEH mean

To specifically determine the charges, you can look your friend up on the courts website: https://dw.courts.wa.gov/?fa=home.namesearchTerms

Why can't I get my car out of police evidence?

You can make a motion to the court for an order.

Is it illegal to date if it’s online even if there’s no sexual stuff i know people who are 23 dating like a 15 year old

See https://app.leg.wa.gov/RCW/default.aspx?cite=9A.44

Can I get in trouble if I have sex with my 13 year old girlfriend I'm 15 she is turning 14 this February ?

Washington State statutes concerning sex crimes are at RCW 9A.44. https://app.leg.wa.gov/RCW/default.aspx?cite=9A.44

Can I get emancipated and live with my mom for a while until i move out?

See https://app.leg.wa.gov/RCW/default.aspx?cite=13.64. There are forms: http://www.courts.wa.gov/forms/?fa=forms.contribute&formID=17

Is there a way to have my criminal sentence re-evaluated or recalculated in WA State?

Great argument. Judges can amend sentences when necessary. A civil suit for false imprisonment probably wouldn't be worth it.