PORTLAND — A Portland man who claimed he had a bomb in a backpack during a pharmacy robbery last month has pleaded guilty.

Jason Campbell pleaded guilty in U.S. District Court in Portland on Wednesday to robbing a Congress Street CVS store on April 11.

Prosecutors say the 39-year-old Campbell approached the counter, told the pharmacist he had a bomb, and displayed what appeared to be a soda bottle with wires attached to it.

Once he got the prescription painkillers he demanded, Campbell fled the scene and disposed of the backpack in a trash can.

The street was closed for 3 ½ hours during the investigation. Police determined that the cellphone and liquid-filled bottle in the backpack were not explosive.

Campbell will be sentenced at a future date.

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