(AP) – Missouri’s Senate has started debate on legislation that seeks to send federal agents to jail for enforcing gun control laws.

The Republican-led Senate began considering the measure Tuesday evening. It would declare federal gun controls laws that infringe on gun rights to be null and void. Federal agents enforcing those laws could be prosecuted and punished by up to one year in jail.

Sponsoring Republican Sen. Brian Nieves, of Washington, says the measure protects liberties. A Senate Democrat argues the measure would lead to more violence.

The measure would be likely to face a court challenge. And courts have consistently ruled that states cannot nullify federal laws.

The bill would also allow designated school personnel to carry concealed weapo