Mental Health Programs for Gun Violence Prevention; Requires IMPACT GVN of City of Gainesville, in collaboration with others, to develop & implement Gun Violence Prevention Pilot Program; provides eligibility & program requirements; provides alternatives to incarceration for specified youth; provides for referrals to specified programs; requires City of Gainesville, in collaboration with Alachua County, to annually submit specified report to IMPACT GVN of City of Gainesville by specified date; requires IMPACT GVN of City of Gainesville to report specified information to Governor & Legislature by specified date; provides for future repeal of pilot program. APPROPRIATION: $500,000