When people see trash lining alleyways of "The Hill" by the University of Colorado Boulder campus, it may be easy to blame college students, but this time, someone or something else may be to blame - bears.

CBS Colorado Your Reporter in Boulder Sarah Horbacewicz ran into junior Jake Siemsen while he was taking out the trash on Monday.

Jake Siemsen taking out the trash on The Hill near the CU Boulder campus. CBS

"If you come out here at night, there's probably going to be a bear walking around at some point," Siemsen said, "They were digging through the trash one night and broke a little windowpane, which we had to pay to get replaced."

Siemsen says the bears have left behind torn window screens and a trail of trash.

"When the bears come through and mess up our trash, we get tickets

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