accomplice
one who intentionally and voluntarily participates with another in a crime by encouraging or assisting in the commission of the crime or by failing to prevent it though under a duty to do so
a person who joins with another in carrying out some plan (especially an unethical or illegal plan)
http://assembler.law.cornell.edu/uscode/html/uscode18/usc_sec_18_00001343----000-.html
TITLE 18 > PART I > CHAPTER 63 > § 1343
§ 1343. Fraud by wire, radio, or television
Whoever, having devised or intending to devise any scheme or artifice to defraud, or for obtaining money or property by means of false or fraudulent pretenses, representations, or promises, transmits or causes to be transmitted by means of wire, radio, or television communication in interstate or foreign commerce, any writings, signs, signals, pictures, or sounds for the purpose of executing such scheme or artifice, shall be fined under this title or imprisoned not more than 20 years, or both. If the violation affects a financial institution, such person shall be fined not more than $1,000,000 or imprisoned not more than 30 years, or both.
United States Code
TITLE 18 > PART I > CHAPTER 73 > § 1512
http://www4.law.cornell.edu/uscode/search/display.html?terms=1512&url=/uscode/html/uscode18/usc_sec_18_00001512----000-.html
§ 1512. Tampering with a witness, victim, or an informant
(j) If the offense under this section occurs in connection with a trial of a criminal case, the maximum term of imprisonment which may be imposed for the offense shall be the higher of that otherwise provided by law or the maximum term that could have been imposed for any offense charged in such case.
(k) Whoever conspires to commit any offense under this section shall be subject to the same penalties as those prescribed for the offense the commission of which was the object of the conspiracy.
http://apps.leg.wa.gov/RCW/default.aspx?cite=9A.28.020
RCW 9A.28.020
Criminal attempt.
(1) A person is guilty of an attempt to commit a crime if, with intent to commit a specific crime, he or she does any act which is a substantial step toward the commission of that crime.
(2) If the conduct in which a person engages otherwise constitutes an attempt to commit a crime, it is no defense to a prosecution of such attempt that the crime charged to have been attempted was, under the attendant circumstances, factually or legally impossible of commission.
(3) An attempt to commit a crime is a:
(a) Class A felony when the crime attempted is murder in the first degree,
http://apps.leg.wa.gov/RCW/default.aspx?cite=9A.32.030
RCW 9A.32.030
Murder in the first degree.
(1) A person is guilty of murder in the first degree when:
(a) With a premeditated intent to cause the death of another person, he or she causes the death of such person or of a third person; or
(b) Under circumstances manifesting an extreme indifference to human life, he or she engages in conduct which creates a grave risk of death to any person, and thereby causes the death of a person; or
(c) He or she commits or attempts to commit the crime of either (1) robbery in the first or second degree, (2) rape in the first or second degree, (3) burglary in the first degree, (4) arson in the first or second degree, or (5) kidnapping in the first or second degree, and in the course of or in furtherance of such crime or in immediate flight therefrom, he or she, or another participant, causes the death of a person other than one of the participants
http://apps.leg.wa.gov/RCW/default.aspx?cite=9A.04.110
RCW 9A.04.110
(26) "Threat" means to communicate, directly or indirectly the intent:
(h) To take wrongful action as an official against anyone or anything, or wrongfully withhold official action, or cause such action or withholding;
(j) To do any other act which is intended to harm substantially the person threatened or another with respect to his health, safety, business, financial condition, or personal relationships;
Title 9A RCW
Washington criminal code
http://apps.leg.wa.gov/RCW/default.aspx?cite=9A.56.020
RCW 9A.56.020
Theft — Definition, defense.
(1) "Theft" means:
(a) To wrongfully obtain or exert unauthorized control over the property or services of another or the value thereof, with intent to deprive him or her of such property or services; or
(b) By color or aid of deception to obtain control over the property or services of another or the value thereof, with intent to deprive him or her of such property or services; or
(c) To appropriate lost or misdelivered property or services of another, or the value thereof, with intent to deprive him or her of such property or services.