Anzor Tsarnaev, a resident of the republic of Dagestan, maintained that his sons are not criminals but "victims of provocation" despite all the reports from the US authorities, Russia's state news agency RIA Novosti reported.
"I don't know where my son is, I don't know what happened to him," Tsarnaev was quoted as saying.
"I want to go to America... We will take measures, seek justice," he said.
One of the Chechen-origin teenagers, Dzhokhar Tsarnaev, was today captured by the police in Boston after a 24-hour drama that saw his brother, co-suspect, being killed and the city virtually shut.
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Dzhokhar Tsarnaev was reportedly seriously wounded late yesterday when the police found him lying bloodied in a boat at a backyard in Watertown.
His father, Anzor Tsarnaev, said he is ready to appeal the European Court of Human Rights in an effort to seek truth in the case, recalling that the last time he talked to his sons was shortly after the Boston Marathon bombings.