Two men who played key roles in the massive cyberheist at TJX, parent of retailers T.J. Maxx and Marshalls, were involved in different scams tied to TJX, according to their respective indictments. The men's divergent sagas represent bookends of the vast digital crime. According to psychiatrists, hackers and computer-security experts, they represent the vanguard of cybercrooks: young, misguided males who rationalize that they've done nothing wrong.