Richard Morgan reports from the Jamia Hanfia Rizvia Mosque in Newport.
The Imam of the mosque who knew the family says when he told the community there of the tragedy they "didn't want to believe it."
More top news
Dean Cronin, 41, and Daniel Gordon, 28, both from Cardiff, were operating at the top of a criminal network.
Matthew Scully-Hicks, 31, pleaded not guilty to the murder charge at Cardiff Crown Court.
With heavy rain forecast for tonight, why not stay in and join us for Episode 2 of Coast and Country? We're celebrating the Welsh winter!