Proponents of the Patriotic Acts have praised it for its authorization of indefinite detentions of immigrants .
Proponents of the law have hailed its authorization of indefinite detentions of immigrants ; the permission is given law enforcement officers to search a home or business without the owner 's or the occupant 's consent or knowledge ; the expanded use of National Security Letters , which allows the Federal Bureau of Investigation , FBI , to search telephone , e-mail , and financial records without a court order ; and the expanded access of law enforcement agencies to business records , including library and financial records .
Patriot Act