Investigator: Herman Cain...Innocent of sexual advances Private investigator TJ Ward says presidential hopeful Herman Cain was not lying when he denied making any sexual actions towards Sharon Bialek. " Cain has not taken a polygraph but Ward said he does have software that does something better. Ward said the $15,000 software can detect lies in people's voices." According to the CBS station in Atlanta Using his software Ward watched as it analyzed Cain's every word. "If he is hiding something this thing would have spiked way down here," said Ward. "He is being truthful, totally truthful. He is a man...