Police arrested at the out of the Canary Islands in Spain on Friday for allegedly stealing millions in fancy jewelry, smartphones and plain, cold-hard cash from passengers’ checked luggage. Yet another 20 workers face a police investigation into their actions.

Tenerife handles 11 million travelers every year, mostly well-heeled Europeans heading to sunny islands off the north coast of Africa for vacations (or holiday, as they say). Those airport employees made off with quite the haul, according to :

Authorities seized 29 luxury wristwatches, 120 items of jewelry, 22 high-end cellphones and assorted electronic devices. The suspects had sold many other items online or in local stores, police believe.

Police only caught wind of the caper when travelers began complaining of items missing in their luggage.

This sort of crime by airport employees isn’t exactly uncommon either. Police arrested a man who worked at the Destin-Fort Walton Beach Airport just last year for And it doesn’t stop at theft. Four flight attendants were arrested earlier this year for smuggling drugs into Vietnam in .