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Sent 1: (CNN) -- A federal court jury in Florida convicted seven people of participating in a global child pornography trafficking enterprise, according to the Department of Justice.
Sent 2: Jurors convicted the seven Wednesday of multiple counts of child exploitation, pornography and obstruction of justice.
Sent 3: Members of the organization used Internet news groups to swap and share "illegal images and videos depicting prepubescent children, including toddlers, engaged in various sexual and sadistic acts," prosecutors said.
Sent 4: An indictment filed in the case detailed interactions between group members as they swapped and commented on images.
Sent 5: "My thanks to you and all the others that together make this the greatest group of pedos to ever gather in one place," Freeman wrote in response to one posting, according to the indictment.
Sent 6: And a posting from Castleman, cited in the indictment, read, "Thanks to all for the wonderful material that has been posted."
Sent 7: An Australian constable who infiltrated the group in August 2006 was among 50 witnesses testifying at trial.
Sent 8: He told the jury that the group traded more than 400,000 images and videos of child sexual abuse before being dismantled by law enforcement, according to the Justice Department statement.
Sent 9: Each defendant faces a sentence of 20 years to life in prison, fines and the possibility of supervised release for the rest of their lives, authorities said.
Sent 10: The seven will be sentenced April 14.
Sent 11: During the six-day trial, evidence showed the seven participated in what prosecutors called a "well-organized criminal enterprise whose purpose was to proliferate child sex abuse images to its membership during a two-year period."
Sent 12: "This was a wide-scale, high-volume, international trafficking enterprise that used sophisticated computer encryption technology and file-sharing techniques," Matthew Friedrich, acting assistant attorney general, said in the statement.
Sent 13: The seven defendants were James Freeman of Santa Rosa Beach, Florida; Gary Lakey of Anderson, Indiana; Marvin Lambert of Indianapolis, Indiana; Neville McGarity of Medina, Texas; Warren Mumpower of Spokane, Washington; Daniel Castleman of Lubbock, Texas; and Ronald White of Burlington, North Carolina, according to the Department of Justice.