1. Sections 578.421 to 578.437 shall be known and may be cited as the “Missouri Criminal Street Gangs Prevention Act”.

2. As used in sections 578.421 to 578.437, the following terms mean:

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(1) “Criminal street gang”, any ongoing organization, association, or group of three or more persons, whether formal or informal, having as one of its motivating activities the commission of one or more of the criminal acts enumerated in subdivision (2) of this subsection, whose members individually or collectively engage in or have engaged in a pattern of criminal gang activity;

(2) “Pattern of criminal street gang activity”, the commission, attempted commission, or solicitation of two or more of the following offenses, provided at least one of those offenses occurred after August 28, 1993, and the last of those offenses occurred within three years after a prior offense, and the offenses are committed on separate occasions, or by two or more persons:

(a) Assault with a deadly weapon or by means of force likely to cause serious physical injury, as provided in sections 565.050 and 565.052;

(b) Robbery, arson and those offenses under chapter 569 which are related to robbery and arson;

(c) Murder or manslaughter, as provided in sections 565.020 to 565.024;

(d) Any violation of the provisions of chapter 579 which involves the distribution, delivery or manufacture of a substance prohibited by chapter 579;

(e) Unlawful use of a weapon which is a felony pursuant to section 571.030;

(f) Tampering with witnesses and victims, as provided in section 575.270;

(g) Promoting online sexual solicitation, as provided in section 566.103;

(h) Sexual trafficking of a child in the first degree, as provided in section 566.210;

(i) Sexual trafficking of a child in the second degree, as provided in section 566.211;

(j) Patronizing prostitution, as provided in subsection 4 of section 567.030;

(k) Promoting prostitution in the first degree, as provided in section 567.050;

(l) Promoting prostitution in the second degree, as provided in section 567.060;

(m) Abuse or neglect of a child, as provided in subsection 6 of section 568.060;

(n) Sexual exploitation of a minor, as provided in section 573.023;

(o) Child used in sexual performance, as provided in section 573.200;

(p) Promoting sexual performance by a child, as provided in section 573.205; or

(q) Any dangerous felony, as defined in section 556.061.