Conversation so far:
What position did David Vitter take regarding immigration?
Vitter has been actively involved with legislation concerning illegal immigrants
Did David Vitter take any political positions regarding sanctuary cities?
In October 2007, Vitter introduced an amendment withholding Community Oriented Policing Services funds from any sanctuary city which bans city employees and police officers from asking people about immigration status.
Did David Vitter take any positions concerning immigrants and the banking system?
In November 2007, David Vitter introduced a bill requiring banks to verify that no customer was an illegal immigrant before issuing banking or credit cards.
Did Vitter attempt to introduce any constitutional amendments concerning immigration?
Vitter proposed a constitutional amendment that children born in the United States are not citizens unless a parent is a citizen, lawful permanent resident, or serving in the military.

Question: What other tough immigration positions did Vitter support?
Self-contained rewrite: What other tough immigration positions did Vitter support besides verifying immigration status for bank accounts, blocking funding for sanctuary cities which ban questions regarding immigration status, and blocking access to methods to obtain citizenship for illegal immigrants?