Police in Monroe, Washington are investigating after they say employees at the local Goodwill store called after finding a cooler stuffed full of marijuana in a donation pile over the weekend.  According to a Facebook post on the department’s page, store employees got quite the surprise when they popped the lid on the donated cooler and found nearly four pounds of marijuana stuffed inside.

Officers were called to the store and they took possession of the contraband.

It is not known if store employees know the identity of the cooler donor.

[image via Monroe Police]