Follow the trial of Metropolitan firearms officer Martyn Blake, who was charged with the murder of Chris Kaba. Chris died from a single gunshot after being stopped by police in Streatham, south London, on Tuesday 5 September 2022. Martyn Blake, who was previously known only as NX121, was found not guilty to murder.

In this final episode, reporters Ross Ryan and Adina Campbell assess the impact the Chris Kaba case has had and look at the impassioned debate the case has raised.They look at police accountability – and ask: How should the police be policed? They discuss the reaction amongst black communities. Finally, they talk about the Crown Prosecution Service, and the judicial system - asking: Should Martyn Blake have been put on trial for murder?

Producer: Ross Ryan News Editor: Gemma Stevenson Executive Producer: Lorraine Maguire Commissioning Editor: Alistair Miskin

Follow the trial of Metropolitan firearms officer Martyn Blake, who was charged with the murder of Chris Kaba. Chris died from a single gunshot after being stopped by police in Streatham, south London, on Tuesday 5 September 2022. Martyn Blake, who was previously known only as NX121, pleaded not guilty to murder.

As reporting restrictions are lifted post-verdict, in this episode reporters Ross Ryan and Adina Campbell learn about Chris Kaba's criminal past, including his association to one of London's most notorious gangs - the 67. We also find out how Chris Kaba was named as the gunman in a nightclub shooting days before he died.

Producer: Ross Ryan News Editor: Gemma Stevenson Executive Producer: Lorraine Maguire Commissioning Editor: Alistair Miskin

Follow the trial of Metropolitan firearms officer Martyn Blake, who was charged with the murder of Chris Kaba. Chris died from a single gunshot after being stopped by police in Streatham, south London, on Tuesday 5 September 2022. Martyn Blake, who was previously known only as NX121, pleaded not guilty to murder.

In this episode, reporters Ross Ryan and Adina Campbell hear the conclusion of the trial with the jury finding Martyn Blake not guilty of Chris Kaba's murder. We'll also hear how the Commissioner of the Metropolitan Police reacted to the verdict, as well as Chris Kaba's family.

Producer: Ross Ryan News Editor: Gemma Stevenson Executive Producer: Lorraine Maguire Commissioning Editor: Alistair Miskin

Follow the trial of Metropolitan firearms officer Martyn Blake, who has been charged with the murder of Chris Kaba. Chris died from a single gunshot after being stopped by police in Streatham, south London, on Tuesday 5 September 2022. Martyn Blake, who was previously known only as NX121, has pleaded not guilty to murder.

With the jury poised to be sent out to deliberate on verdict, in this episode reporters Adina Campbell and Ross Ryan bring you the details of the closing arguments from both the prosecution and the defence. We’ll hear about the prosecution's accusation that some of Martyn Blake’s evidence has been “fiction”, and the defence’s claim that there little evidence of Martyn Blake being “angry and frustrated“.

Producer: Ross Ryan News Editor: Gemma Stevenson Executive Producer: Lorraine Maguire Commissioning Editor: Alistair Miskin

Follow the trial of Metropolitan firearms officer Martyn Blake, who has been charged with the murder of Chris Kaba. Chris died from a single gunshot after being stopped by police in Streatham, south London, on Tuesday 5 September 2022. Martyn Blake, who was previously known only as NX121, has pleaded not guilty to murder.

In this episode, reporters Adina Campbell and Ross Ryan hear about a witnesses who was called by the defence on Day 11 of the trial, and how she wept in court when describing the night Chris Kaba was killed. We’ll also bring you the details of the judge’s advice to the jury before they retire to consider a verdict. And Adina and Ross are joined by a criminal barrister to explain what it’s like to construct an argument in a big trial like this.

Producer: Ross Ryan News Editor: Gemma Stevenson Executive Producer: Lorraine Maguire Commissioning Editor: Alistair Miskin

Follow the trial of Metropolitan firearms officer Martyn Blake, who has been charged with the murder of Chris Kaba. Chris died from a single gunshot after being stopped by police in Streatham, south London, on Tuesday 5 September 2022. Martyn Blake, who was previously known only as NX121, has pleaded not guilty to murder.

In this episode, reporters Adina Campbell and Ross Ryan follow the prosecution's cross-examination of Martyn Blake, where they accuse him of intending to aim for Chris Kaba's head and kill him. They hear Martyn Blake's denial and insistence he was aiming at the 'central body mass' of Mr Kaba, and that he intended only to stop the car he was driving.

Producer: Ross Ryan News Editor: Gemma Stevenson Executive Producer: Lorraine Maguire Commissioning Editor: Alistair Miskin

Follow the trial of Metropolitan firearms officer Martyn Blake, who has been charged with the murder of Chris Kaba. Chris died from a single gunshot after being stopped by police in Streatham, south London, on Tuesday 5 September 2022. Martyn Blake, who was previously known only as NX121, has pleaded not guilty to murder.

In this episode, reporters Adina Campbell and Ross Ryan hear how Martyn Blake told the jury he was "filled with dread" and thought one of his colleagues could have died, in the moments before he killed Chris Kaba. We’ll also find out what Officer Blake said in response to the allegation he intended to kill Chris Kaba.

Producer: Ross Ryan News Editor: Gemma Stevenson Executive Producer: Lorraine Maguire Commissioning Editor: Alistair Miskin

Follow the trial of Metropolitan firearms officer Martyn Blake, who has been charged with the murder of Chris Kaba. Chris died from a single gunshot after being stopped by police in Streatham, south London, on Tuesday 5 September 2022. Martyn Blake, who was previously known only as NX121, has pleaded not guilty to murder.

In this episode reporters Adina Campbell and Ross Ryan follow the trial as it enters its second week, with experts - including a forensic scientist and a pathologist - entering the witness box. We also hear more details of a statement Martyn Blake made after he shot Chris Kaba, in which he said is "truly sorry" for the "enormous distress" felt by the family, but insisted it was "entirely proportionate, lawful and necessary".

Producer: Ross Ryan News Editor: Gemma Stevenson Executive Producer: Lorraine Maguire Commissioning Editor: Alistair Miskin