Calling Robert John Koch a ladies' man is an understatement. Police say Koch, 51, is the "Sweetheart Swindler," a cunning con man who left broken hearts and empty bank accounts across the country during 10 years of scams that involved more than 100 women. Authorities believe that Koch may be involved in fraud cases in 28 states, from California to Virginia. Says police detective Kenneth Kopesky of Kenosha, Wis.: "He tells lonely women he's rich, and wines and dines them. The next thing you know, he cons them out of their money."
Koch, who has 100 aliases, was arraigned this month...