1. Whether the facts required to establish probable cause, Illinois v. Gates, 462 U.S., 238, 103 S. Ct. 2317 (1983), include conclusions and opinions of the officer applying for the wiretap warrant.

2. What is required to show why other investigative procedures, short of wiretapping, have been tried and failed or would be unlikely to succeed or be too dangerous.

Whether the facts required to establish probable cause include conclusions and opinions of the officer applying for the wiretap warrant