Story highlights DeAngelo Lamar Davis, 31, charged in connection with the death

This is the fifth officer shot in the United States in less than a week

(CNN) A Detroit man pleaded not guilty Friday to murder charges and other offenses in connection with the shooting death of a Wayne State University police officer.

DeAngelo Lamar Davis, 31, will remain in jail without bond, the judge said. The probable cause hearing for Davis is scheduled for December 9 and his ‎preliminary examination is on December 16.

Davis said he was unemployed; the judge said an attorney would be appointed.

Officer Collin Rose, 29, died Wednesday from a gunshot wound he suffered during a traffic stop the previous night, authorities said.

The Wayne County prosecutor's office said Rose conducted a traffic investigation of Davis, who was riding a bicycle in the area of Lincoln and Brainard in Detroit.

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