Stefanie Ostfeld : Members of shell companies can donate to politicans anonymously . Shell : Shell companies use people to disguise names , assets to make money . Shell companies provide money to corrupt regimes , criminals , gun runners , she says . A proposed law would require ultimate criminals to name themselves , she writes .
Stefanie Ostfeld : Owners of shell companies can donate to politicans anonymously . Ostfeld : Shell companies allow people to disguise names , assets to launder money . Shell companies provide secrecy to pariah regimes , criminals , gun runners , she says . A proposed law would require ultimate owners to name themselves , Ostfeld writes .