Four people died in a boating accident on Italy's Lake Maggiore last month in a violent storm.
All 21 passengers were linked to Israeli and Italian defense and intelligence work.
All 21 passengers on the 52-foot houseboat were currently or formerly tied to Israeli and Italian defense and intelligence work, officials said, per CNN.
Two of those who died had worked for the Italian intelligence authority.
Lake Maggiore Mbdortmund/Wikimedia CmmonsSeveral companies that produce both military and civilian technology use are located in Lombardy, the BCC reported.
Persons:
—, Benjamin Netanyahu, it's
Organizations:
Authorities, Service, CNN, Reuters, Wikimedia, BCC, BBC, Guardian, BBC News, New York Times
Locations:
Maggiore, Russian, Israel, Swiss, Italy's Lombardy, Ticino, Lake, Mbdortmund, Lombardy, Switzerland, Milan