RCW 9A.36.150: Interfering with the reporting of domestic violence.

(1) A person commits the crime of interfering with the reporting of domestic violence if the person:

(a) Commits a crime of domestic violence, as defined in RCW 10.99.020; and

(b) Prevents or attempts to prevent the victim of or a witness to that domestic violence crime from calling a 911 emergency communication system, obtaining medical assistance, or making a report to any law enforcement official.

(2) Commission of a crime of domestic violence under subsection (1) of this section is a necessary element of the crime of interfering with the reporting of domestic violence.

(3) Interference with the reporting of domestic violence is a gross misdemeanor.