A 2014 study found that Arizona 's SB 1108 was associated with an increase in gun - related fatalities .
1108 allowed adults in the state to concealed carry without a permit and without passing a training course .
A 2014 study found that Arizona 's SB 1108 , which allowed adults in the state to concealed carry without a permit and without passing a training course , was associated with an increase in gun - related fatalities .