A prosecution witness in the case against Nikola Kovacevic, formerly known as Danilusko Kajtez, recognised the accused as one of the soldiers who beat former camp inmates.
Controversy surrounds statements given by two accused in Bosnia's first domestic genocide trial, in which they are said to have admitted their guilt.
Witness describes Serb takeover of Sanski Most.
Judgement against former Bosnian Serb soldier delayed due to dispute over authenticity of defence witness statement.
Prosecution witnesses say Kovacevic beat them in the Betonirka detention camp.
The trial of Gojko Jankovic, charged with crimes against humanity, started today with the opening words of state prosecutor Philip Alcock.
Former Muslim soldier Abduladhim Maktouf found guilty of role in kidnapping, in first case completed before Bosnia's specialist war crimes chamber.
Bosnian court overturns prosecutor's decision to exclude public from trial of Foca accused, but makes no announcement on Radovan Stankovic case.
Prosecutor asks Judicial Council to disregard statements of key defence witness.