The family of Arthur Holscher-Ermert gathered at the site of the incident in Peacehaven yesterday (May 1) to mark the one year anniversary of his death.
Members of the public witnessed and filmed the incident in which a police car appeared to cross the white lines and strike him in Peacehaven, East Sussex.
Footage also showed him being handcuffed as he lay face down in the road dying.
The officer driving the unmarked BMW police car had attempted to give him CPR but he sadly died at the scene.
One of the bystanders reportedly took video footage on his phone as the incident unfolded.
On the anniversary of Arthur's death, Sussex Police have released a statement:
"Our thoughts continue to be with Arthur’s family and friends at this difficult time.
"We have provided every assistance to the IOPC, who have independence in regard to the investigation and who remain in contact with the family.
"We have cooperated fully to ensure a thorough investigation and for the family to receive the answers they need. We now await the IOPC’s decision."
At the time of the incident, Sussex Police and the IOPC offered more detail about the incident and, on May 5 of 2022, released a statement confirming the following:
The incident happened on the A259 South Coast Road at Peacehaven at around 11.10pm on Saturday (30 April) when the police vehicle was in a collision with a 27-year-old, named as Arthur Holscher-Ermert.
Mr Holscher-Ermert was driving an Audi which was being pursued by another police car after it came to the attention of officers conducting an operation in the Newhaven and Peacehaven area.
The short pursuit ended in Bramber Avenue where Mr Holscher-Ermert left the Audi and was struck moments later by a police vehicle which had not been involved in the pursuit.
Police officers and a member of the public immediately administered first-aid but Mr Holscher-Ermert tragically died at the scene.
Today (May 5) a Sussex Police Constable was formally notified by the IOPC that he is under criminal investigation for the offence of causing death by dangerous driving. The officer will also be investigated for potential gross misconduct.
The officer has not undertaken duties since the incident and will be placed on restricted duties that are not public-facing pending the outcome of the investigation. Suspension under police regulations was considered.