know, everything about senator torsion. >> reporter: in fact, preston knows torsion was a wanted man in spain. spanish judicial sources say they were investigating allegations that in 2013, torsion was directing a money laundering operation for the russian mob. spanish police tell us they were ready to arrest torsion the second he stepped off a plane. they say they had teams here at the airport, and the prosecutors were on standby around the clock for days. torsion never showed. >> we hope that he come hiere, but at the end no come here. >> can't do anything? >> reporter: torsion did not respond to our request to comment on the allegations. klein preston believes he's innocent. >> he's a brilliant man, but he's not a mobster.