(Beaverton, OR) -- A backpack with nearly 50-thousand dollars' worth of trading cards and jewelry has been recovered. Beaverton Police say the owner was riding MAX on Sunday from Portland International Airport to Hillsboro when they dropped the backpack while leaving the train. Surveillance video shows a woman take the backpack seconds after it was dropped. She didn't try to find the owner, instead detectives found valuable trading cards being sold online. The suspect pawned the jewelry. Detectives arrange a meeting with the woman to buy some of the trading cards. They met at the train station where the backpack was dropped. Dawn Castro was arrested. All of the trading cards and jewelry were recovered and returned to the victim.