The U.S. and U.K. denied involvement in the Tehran incident, while Israel hasn't commented.
Condit testified at Guandique's trial and denied involvement in her disappearance and murder and was never charged.
Te'o has denied involvement in the hoax, and his family has not commented on Mr Tuiasosopo's story.
Mr Baker repeatedly denied involvement but admitted lying in police interviews and having been "caught out" by CCTV.
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Tehran has always denied involvement, but Hezbollah has made no comment until now.
Mrs Ansari and Khan's father-in-law, Fareedun Ansari, have denied involvement in Khan's death.
Hoegstroem, 34, who was detained in Sweden in February had at first denied involvement in stealing the sign but later changed his plea.
Damascus denied involvement in the staunchly pro-Saudi billionaire's murder, now the subject of an international tribunal which has opened in The Hague.
However, Mr Sharon has consistently denied involvement, and has not been charged.
In a newspaper interview in 2011, Mr. Tan denied involvement in match-fixing.
Guandique repeatedly denied involvement in her murder, and prosecutors acknowledged a lack of DNA evidence linking Guandique to the crime and a lack of witnesses.
Arias initially denied involvement then blamed it on two masked intruders.
Iran has denied involvement in the bombings, which killed 114 people.
The education secretary was also challenged over the source of briefings against former education minister Tim Loughton, but he said that his advisers had denied involvement.
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And Mr. Lugovoi, he gave an interview yesterday actually in Moscow, where he denied involvement again and in fact said he was a victim himself of polonium poisoning.
The mother and Adkins have denied involvement in Hailey's disappearance.
Israel has neither confirmed nor denied involvement in Karmi's death.
Mr Kuchma has always denied involvement in the journalist's murder.
Israel has claimed that Iran and Hezbollah played roles in the attack but investigators in Bulgaria have not made such a link previously, and Hezbollah has denied involvement in the attack.
But the IRA has denied involvement in the robbery.
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Ilamparithy, a rebel leader, denied involvement in the incident.
Beasley denied involvement in the 2011 attacks and said that the lone survivor was sent to kill him in retaliation for being a police snitch in a motorcycle gang investigation in Akron.
The men, all supporters of Mr Odinga's opposition Orange Democratic Movement, denied involvement in attacks on members of Mr Kibaki's Party for National Unity and his Kikuyu ethnic group in the Rift Valley.
Hatfill, who also worked at the biodefense lab at Fort Detrick, denied involvement and sued the Justice Department for violating his privacy by leaking his name to the media in connection with the investigation.
An Olympic rep for Serbia also denied involvement.
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Nesbitt, now of Newlands, Glasgow, denied involvement and told the jury a homeless man - who he did not know - had been using his flat in the weeks before the raid as a "favour" to a friend.
All three denied involvement, but the two DNA examiners in the original case both found that they could not exclude one of the three from having been involved, based on an analysis of swabs taken from the victim.
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