Dashcam footage “could be key” to catching the killer of a man stabbed in an apparent targeted attack, police have said.
Malik Hussain, 35, was found dead in Baker Street, Sparkhill, Birmingham, at about 23:20 BST on Friday.
West Midlands Police said it was particularly keen to gather information about a car that sped from the area.
Det Insp Nick Barnes said dashcam footage “could be crucial” in identifying the vehicle.
“We believe this could be key in helping us to catch the killer and would ask anyone who can help to come forward as soon as possible,” he said.
Police are keen to hear from motorists who were around Baker Street, Warwick Road, Stratford Road and the surrounding areas between 23:00 and midnight.
Det Insp Caroline Corfield added: “At this stage we believe this may have been a targeted attack and we’re keen to hear from anyone with information which can assist our inquiries.”
A post-mortem examination will take place in due course, the force said.
Follow BBC West Midlands on Facebook, on Twitter, and sign up for local news updates direct to your phone.