This week, Sheela Murthy, who founded and built one of the most prominent immigration law firms in the country, talks about the issues business owners may be confronting during the Trump administration’s immigration crackdown. Among the questions Ms. Murthy addresses: What should owners do if they suspect an employee may be undocumented? If the owner decides to keep the employee, what’s the worst that can happen? How reliable is E-Verify? If you employ people who you suspect may be undocumented, are you helping them or exploiting them?