Yamine Ladghem-Chikouche is wanted in connection with the murder to 55-year-old John MacRae, who was killed by a single stab wound to the chest in North London in July.
Ladghem-Chikouche is French-Algerian and has links to the London boroughs of Islington, Hackney and Haringey.
Contact: Metropolitan Police. Phone: Incident Room: 0208 358 0200
