Liam's so-called friend Roger Nores is said to have emailed Liam's management team in the same month to say that he had seen Liam on several occasions and his understanding was that he "hasn't touched a single hard drug since he came back to the US.".
The other two suspects, 24-year-old waiter Braian Nahuel Paiz and 21-year-old suspended hotel worker Ezequiel David Pereyra, have both been charged with selling Liam cocaine and warned they could face prison sentences of between four and 15 years if convicted.
He and Kate flew to the Latin American country so he could renew his American visa – they also attended Niall Horan's concert at the Movistar Arena as Liam offered his support to his former bandmate.
Liam allegedly drank alcohol and consumed illegal drugs in the hours leading up to his tragic death.
Liam Payne's final holiday to Greece with girlfriend Kate Cassidy was very different to how it was perceived, claims sources.