https://www.reuters.com/article/us-equifax-cyber-heitkamp/u-s-senator-on-equifax-hack-somebody-needs-to-go-to-jail-idUSKCN1BN1WN >A U.S. senator called on Tuesday for a criminal probe of actions taken by executives of credit bureau Equifax after a massive data breach this summer and said their actions were comparable to insider trading.