(Portland, OR) -- Police say they've recovered thousands of respirator masks that were stolen in Portland. Police say the suspect stole more than 20 cases of the masks on March 6th. Police later arrested 22-year-old Vladislav Drozdek for selling the stolen masks on Craigslist the following day. Police recovered six cases from Drozdek and later found another seven cases at a home on Northeast Sacramento street. The recovered masks have been donated to local hospitals.