In June of 2020 police investigated an account used by Amarasinghe under the username 'Sarah.
That's a 30 per cent decline from its five-city audience of 538,000 a decade earlier.
Later in the conversation the receiver asked Amarasinghe why he was targeting the girls.
The court heard he will likely be deported back to his homeland of Sri Lanka in disgrace upon serving his non-parole period.