He was walking home from celebrating his birthday with friends when he was shot and killed in Canton.
More than 6 months later and still no arrests in the murder of Sebastian Dvorak, 27.
He was shot and killed in the 2500 block of Boston Street on June 13, 2017.
Baltimore Police are re-releasing this video of persons of interest.
Anyone with information is asked to call Homicide detectives at 410-396-2100, Metro Crime Stoppers at 1-866-7lockup or text a tip to 443-902-4824.