On 6 September 2023, Khalife escaped from HM Prison Wandsworth in London and attempted to reconnect with an Iranian contact.
[9] A forged document Khalife sent to the Iranians stated that the British government refused to negotiate the release of Nazanin Zaghari-Ratcliffe, thereby putting her in danger.
[10] Khalife received payment from the Iranians for the information he provided them, and was documented collecting US$2,000 (£1,500) left for him in a dog poo bag in a North London park.
[9] On 6 January 2022, Khalife was arrested on suspicion of breaching the Official Secrets Act and was bailed and allowed to return to his army base.
[11] Khalife appeared before Westminster Magistrates' Court on 7 February 2023 where details of the accusations were set out, including that he left canisters with wires at MOD Stafford on 2 January 2023 with the intent of "inducing in another the belief the item was likely to explode or ignite" and that he had accessed the Joint Personnel Administration to elicit personal information about soldiers "likely to be useful to a person committing or preparing an act of terrorism" in 2021.
[6] On 6 September 2023 Khalife escaped from HM Prison Wandsworth in south west London where he was being held on remand.
[16] The Metropolitan Police (Met) believe that Khalife escaped by strapping himself to the underside of a food delivery van[9] using a material which was "made from bedsheets with clips at each end".
[25] On the morning of 9 September 2023, Metropolitan Police reported that Khalife had been sighted overnight in the Chiswick area of London.
[26] A plain-clothed officer was informed that Khalife had been seen on a bicycle on the Grand Union Canal towpath near Rowdell Road in Northolt.
[18][27][28] Khalife was arrested at 10:41 am on suspicion of being unlawfully at large and escaping lawful custody,[28] approximately 14 miles (23 km) from Wandsworth prison.
[31] On 21 September Khalife appeared in court from Belmarsh Prison via videolink and pleaded not guilty to escaping from lawful custody.
[34] On 7 September 2023 Alex Chalk MP, the Justice Secretary, ordered an investigation into the escape with a preliminary report being requested to be ready by the end of the week.
"[36] On 9 May 2024 Taylor wrote to the Secretary of State for Justice to urge him to put the prison into emergency measures after an inspection raised concerns about ongoing failings in security at Wandsworth.