Marcel Long was wanted by the Seattle Police Department for first-degree murder. Author: KING 5 Staff Updated: 5:37 PM PDT July 12, 2021 SEATTLE — A 19-year-old suspected of shooting and killing Horace Lorenzo Anderson near Seattle's former "CHOP" Zone in June of 2020 was arrested by U.S. marshals on Monday. Marcel Long was wanted by the Seattle Police Department for first-degree murder. He was arrested while walking in Des Moines. The King County Prosecuting Attorney's Office filed the charges against Long in August for the killing of Anderson, who was also 19 years old. According to charging documents, Long was seen on surveillance video approaching Anderson and pulling out a gun. He is then seen then chasing Anderson, who ran away, and appears to shoot him.