Enhanced earned sentence credits; exemptions; firearm-related offense; felony conviction during confinement. Removes any person convicted of a felony offense involving a firearm from eligibility for enhanced earned sentence credits and reduces enhanced earned sentence credit to zero for a person who receives a felony conviction for an offense that occurred during confinement. Enhanced earned sentence credits; exemptions; firearm-related offense; felony conviction during confinement. Removes any person convicted of a felony offense involving a firearm from eligibility for enhanced earned sentence credits and reduces enhanced earned sentence credit to zero for a person who receives a felony conviction for an offense that occurred during confinement.