1. What is a roving wiretap?

A. A wiretap that does not need a warrant

B. A wiretap that can cover international phone use

C. A wiretap that does not have an expiration time

D. A wiretap that covers multiple phone lines

is it A

2. A survey of police chiefs found that they strongly believe that their departments can make valuable
A. contributions to terrorism prevention by using: wiretapping.

B. community policing networks.

C. suspension of due process laws

D. excessive force

im confused between A and B

1. No.

http://en.wikipedia.org/wiki/Roving_wiretap

2. A and B are much different. Check your book.