A person having knowledge of the commission of a felony who takes money, or a gratuity or reward, or an engagement therefor, upon an agreement or understanding, expressed or implied, to compound or conceal such felony or not to prosecute therefor, or not to give evidence thereof, shall be imprisoned not more than 10 years or fined not more than $1,000.00, or both. (Amended 1971, No. 199 (Adj. Sess.), § 15; 1981, No. 223 (Adj. Sess.), § 23.)