Duh, me.
If they were inert, how'd the dawg sniff them out?
Duh, me.
Unless by "inert" they meant the fuses hadn't been attached. Probably the fuses were just mailed to the consignee in a plain brown package as "machine parts."
Duh, me.
Looking for answers from a sanitized news report. Duh. Stoopit, stoopit, stoopit.