Jonathan Polnay, led by Tom Little QC, prosecuted this high profile murder concerning the tragic killing of the much loved Conservative MP for Southend, Sir David Amess MP.

Wikipedia link here.

Danny Robinson QC lead Jonathan Polnay in the prosecution of two individuals, charged with the murder of a drug dealer. At the time of the murder, police discovered drugs concealed by the victim’s car. The victim was a delivery driver who was found with a gun shot wound to the head.

Jonathan Polnay, led by Lisa Wilding QC secured convictions in a missing body murder trial at Cambridge Crown Court.

17 year old Bernadette Walker disappeared on 18th July 2020 after alleging that her step-father, Scott Walker, had been sexually abusing her for a number of years. She was last seen having been collected from her grandparents’ house by Walker who claimed she had simply walked away following an argument.

Walker and Bernadette’s mother, Sarah Walker, were also found guilty of perverting the course of justice by using the dead girl’s phone to send messages suggesting she was still alive and lying to the police about her disappearance.

Bernadette’s body has never been found. The trial lasted 6 weeks.

Bernadette Walker: Scott Walker guilty of murder – BBC News

Jonathan Polnay, led by William Emlyn Jones, prosecuted eight men for conspiracy to facilitate illegal immigration and 39 counts of manslaughter, arising out of the death of Vietnamese migrants in a sealed lorry trailer.

BBC Report here.

Prosecution of three young men for the homicide of Thames Valley Police Officer, PC Andrew Harper, who was tragically killed whilst trying to apprehend thieves. (Leaders, Brian Altman QC, and then Jonathan Laidlaw QC).

BBC News report here.

Jonathan Polnay prosecution Vincent Fuller for attempted murder. Having been inspired by the Christchurch massacre, Fuller tried to carry out a terrorist-motivated knife attack in South West London.

BBC News report here.

Jonathan Polnay, led by Tim Cray QC, acted for the Prosecution in this case involving a serial killer nicknamed Scarface who went on a bloody crime spree across Europe. He was jailed for at least 20 years for his fifth murder.

News article here

Jonathan Polnay, led by Jonathan Rees QC, prosecuted these two teenagers for the murder of an 23 year old man in North London. The victim was lured to a location just off of Turnpike Lane under the pretence of a car insurance sale, but was robbed and murdered due to a previous dispute over the purchase of a laptop on the gumtree internet site.

Guardian news report here.

Anthony Orchard QC leading Jonathan Polnay appeared for the Crown in this case involving the death of an aunt and 10 year old nephew killed by a drug user during a car chase with Police. The defendant was sentenced to 12 years.

News report here.

Jonathan Polnay prosecuted this "disturbed loner" who randomly attacked four women during a stabbing spree in a supermarket car park in Hampton Court as revenge for his perceived mistreatment by police. 

News Report here.

Mark Heywood QC, Jonathan Polnay and Alison Wilkes Prosecuted this 3 month,10-handed murder trial at the Central Criminal Court with extensive cell site, phone download and CCTV evidence, including the use of electronic presentation aids (360 mapping).

Mark Heywood QC and Jonathan Polnay prosecuted this 7-handed gang-murder trial at the Central Criminal Court arising out of a feud between two notorious Hackney gangs. Following the convictions, YouTube was put under significant pressure to remove videos that glorifed the gangs' activities.

Daily Mail report here.