(CNN) - Authorities are looking for a man accused of stealing items from one of the men stabbed to death on an Oregon train last week.
Portland police released a video of the man they believe stole Rick Best's wedding ring and backpack after Best was attacked.
Best was one of two men killed when they stepped in to stop a man from insulting two young women on the train.
Investigators said the man then stabbed them.
In the video, the suspect can be seen leaving the scene with two backpacks.
Police said he was carrying Best's black backpack in his right hand and another backpack in his left hand.
They said the backpack contained items that were personal and important to the Best family.
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