PrintSeattle police detectives are trying to identify a person of interest involved in a fatal shooting downtown on April 6. A 47-year-old man was shot about 2 a.m. at Fifth Avenue and Olive Way after a heated argument with someone just before he was killed. Witnesses describe the other person in the altercation as a light-skinned black man with a short curly afro, unshaven and in his early 20s.