Police say two people were arrested after they allegedly left their waitress cas a tip.
According to OregonLive.com, the incident happened last Thursday at a restaurant in Seaside, Oregon.
After paying the bill with a gift card, 40-year-old Ryan Bensen and 37-year-old Erica Manley allegedly left their waitress an envelope with a question mark scribbled on it.
According to the report, the waitress found crystal methamphetamine inside.
Bensen and Manley were still at the restaurant when authorities arrived. They each face several charges including possessing methamphetamine.