"There is evidence to suggest that Walter Barasa tried to bribe someone he thought was a prosecution witness in the case against Deputy President William Ruto," ICC prosecutor Fatou Bensouda said in a statement.
Bensouda said evidence indicates there was a network of people attempting to sabotage the case and Barasa was part of that group.
Barasa allegedly attempted to bribe three witnesses testifying for the prosecution against Ruto, the Daily Nation reported.
If he is found guilty, Barasa faces a possible five years in prison and a fine.
Ruto is facing charges of murder, persecution and deportation. The case centers on violence following the Kenya election in 2007.
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