On January 13, 2017, 20-year-old Cameron Thomas Tibbs was shot multiple times near the intersection of Liberty Street and North Cannon Avenue in Hagerstown, Maryland. He was taken to Meritus Medical Center and pronounced dead from his injuries.

Hagerstown Police investigators identified two people connected to the shooting. Officers arrested 39-year-old James Cornell Evans Sr. at the scene and charged him with accessory after the fact to first and second-degree murder and handgun offenses. Later the same day, with assistance from the Washington County Sheriff’s Office, Maryland State Police, and Boonsboro Police Department, investigators located and arrested 18-year-old Daiquan Yahdir Preston of Philadelphia. Preston was charged with first and second-degree murder, first and second-degree assault, and multiple handgun violations. Both men were held without bond at the Washington County Detention Center pending further proceedings.

What information might help clarify the timeline of events leading up to the shooting or the roles each person played?