Abdulghalil Aldobhani, 22, from Cathays, and Shafique Shaddad, 24, from Butetown, have both been charged with murder.
Aseel Arar, a 34-year-old woman from Birmingham, has been charged with assisting an offender.
All three have been remanded in custody and will appear at Cardiff Magistrates’ Court tomorrow.
Fahad’s family have been updated and continue to be supported by specially-trained family liaison officers.
A 21-year-old man from Cardiff, who was arrested last night on suspicion of murder, is still being questioned.
South Wales Police thanks the community for the support and information that has already been given during the investigation.
Detective are still appealing for witnesses.
Information and digital footage can be submitted online via a public portal https://mipp.police.uk/operation/62SWP19A85-PO1
Alternatively, please contact South Wales Police via 101 or Crimestoppers anonymously on 0800 555 111 quoting reference number *198071.