R.I. Gen. Laws § 11-1-5: Compounding or concealing felony.

Every person who shall be convicted of having knowledge of the commission of any felony offense, and of taking any money, gratuity, or reward, or any engagement, upon an agreement or understanding, express or implied, to compound or conceal that crime or offense, or not to prosecute for the offense, or not to give evidence relative to the offense, shall be imprisoned not exceeding five (5) years or be fined not exceeding five thousand dollars ($5,000), provided that the person shall not be subject to a fine or imprisonment exceeding the felony pertaining to this offense.