Police said Williams, who has no permanent address, was found lying under a bridge on Route 27 that goes over a railroad track between Hahn Road and Bennett Cerf Drive in Westminster.
Preliminary evidence indicates the victim fell from the bridge to the tracks below. What caused him to fall is not immediately clear and remains a priority in the investigation, according to the release.
Williams has been staying in the area of Route 27 near Hahn Road in Westminster. At about 11 p.m. on Oct. 5, the Westminster Police Department received a call from the victim's brother requesting assistance, according to the release.
Police said the brother had just been called by the victim who gave a general description of his location and reported that he had been injured.
Westminster police began a search and were joined by the Carroll County Sheriff's Office and troopers from the Westminster Barrack before finding Williams.
Details are currently unclear about what happened to Williams. Police believe he was dropped off the area of Route 27 near Hahn Road shortly before 11 p.m. by two friends, according to police.
Police have interviewed those individuals, who are also homeless but have a pickup truck they stay in, according to the release.
Anyone with information about what happened to Williams or who may have been in the area of Route 27 near Hahn Road around 11 p.m. Saturday is asked to contact State Police investigators at 410-386-3000. Callers may remain confidential.