From KTBS TV:

State lawmakers would be exempt from many weapons restrictions imposed on the general public, under a bill nearing final legislative passage.

[ . . . ]

Under the measure, lawmakers could carry a weapon where law enforcement can carry, provided they go through annual training and go through a psychiatric evaluation.

Allain argued that lawmakers need to be able to defend themselves since they are often threatened.

Whereas crime being nonexistent in Louisiana, law abiding citizens never feel threatened.