BOULDER, Colo. (AP) — Police say a suspect in a slaying near the University of Colorado admitted to shooting somebody and led officers to a gun believed used in the slaying.

Kevin Michael McGregor, 22, faces first-degree murder and attempted robbery charges in Friday’s slaying of Todd Walker, 20, of Edwards. Walker was a redshirt freshman football player in New Hampshire.

An arrest affidavit released Monday says that Walker and woman walking through the University Hill area of Boulder thought a man believed to be McGregor was joking when he showed a gun and demanded money. Police say Walker was shot in the chest when he intervened.

Court records don’t list an attorney for McGregor.

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