Is it legal to post text messages as a third party in Washington State?

She might sue you for invasion of privacy.

The police and prosecutors make decisions about charging crimes (i.e. criminal assault, etc.) If you sue somebody in a civil action, what you are...

In WA- how do I proceed if I was hand given papers for my divorce but my ex is claiming service by mail?

You have been served. Actual notice can be a factor. You should retain an attorney. You or your attorney should file/serve a notice of...

See the forms under "move with children": http://www.courts.wa.gov/forms/

How can I prove it's from her and what is she liable for? Can she be forced to seek therapy before she can see her kids?

Tell the truth. Honesty is the best policy.

CR 11 can provide part of the legal authority about vexatious litigation. See also Elliott Bay Adjustment Co. v. Dacumos, 200 Wn. App. 208, 401...

I want to get emancipated but...?

"RCW 13.64.050 Emancipation decree—Certified copy—Notation of emancipated status. (1) The court shall grant the petition for emancipation, except...

If I don't snitch on my sister and cousin should I get in trouble?

Yours is more of a moral question than a legal question. Most likely, the authority for the matter would be your grandma.

The question would be whether the product was unreasonably hazardous. See RCW 7.72 https://app.leg.wa.gov/RCW/default.aspx?cite=7.72

My names on the title, but my sister/law was making the payments

Candidates for responsibility include the following: 1. your nephew 2. your sister-in-law 3. your insurance 4. you.