Pavkovic on Tuesday accused the police of trying to implicate army chiefs with allegations of a cover-up of suspected war crimes, Reuters reported.

CNN: Feud over Kosovo war crimes mounts

Earlier, Smith denied concocting a story with Parker to implicate their former co-accused.

BBC: Lynda Spence

"Facebook's proposed changes implicate the user privacy and the terms of a recent settlement with the Federal Trade Commission, " the letter said.

BBC: Privacy groups call for Facebook changes U-turn

One of the sources said it could be from anyone who had contact with any of the bomb's components and it does not necessarily implicate anyone.

CNN: Here's the latest on the Boston Marathon bombings

In statement after statement, witnesses from the original trial avowed that they had been coerced by police to implicate Davis in the shooting or had lied in order to secure lenience for their own troubles with the law.

FORBES: The Innocence of Troy Davis