CHICAGO (CBS)—A new video tribute honors the Chicago police officers who died in the line of duty in 2018.

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On Friday, Chicago police superintendent Eddie Johnson and other Chicago police commanders will accompany the families of four fallen Chicago police officers on a trip to Washington, D.C.

The Chicago officers will be part of a national tribute for police week.

The tribute begins Saturday and ends with a ceremony at the U.S. Capitol next Wednesday.

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The Chicago officers honored are:

Commander Paul Bauer, who was fatally shot in a struggle with a suspect in a stairwell outside the Thompson Center in February 2018.

Officer Samuel Jimenez, who was shot while confronting a gunman at Mercy Hospital in November 2018.

Officers Eduardo Marmolejo and Conrad Gary, who were struck and killed by a South Shore train while pursuing a suspect on foot in December of 2018.

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