Police have released CCTV footage of a white Range Rover linked to the murder of Alexander Kareem in west London.
The 20-year-old was shot dead in Shepherd’s Bush on June 8 at 12.40am.
Officers and the London Ambulance Service were dispatched to Askew Road, but Mr Kareem was pronounced dead at the scene.
A post mortem examination gave the cause of death as a gunshot wound to the chest and abdomen. A £10,000 reward has been offered for information that leads to the arrest of the culprit.
The CCTV shows a white Range Rover Evoque driving away from the scene two minutes after the shooting.
It passed Turnham Green Tube station, before making its way down Chiswick High Road and turning on to Heathfield Terrace.
The vehicle was later found burnt out on Ascott Avenue, 25 minutes after the first call to police.
Officers are keen to speak to anyone who may recognise the vehicle or know who was driving it, before, or after, the attack.
Detective Chief Inspector Wayne Jolley, Specialist Crime, said: “Today marks a month since Alexander was tragically shot, in what we now believe to be a case of mistaken identity.
“The month has seen officers working round the clock to locate those who have committed this horrendous crime.
“Officers have been analysing hours of CCTV from across London, and we hope these clips will help those who may have been in the area or seen this vehicle before to come forward with what they know.
“Alexander’s family continue to be in our thoughts and we are determined to help them get justice.”
Anyone with information should call 101, tweet @MetCC or contact Crimestoppers anonymously quoting CAD224/08June.