Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Rightsizing for Retirement What does your home really cost? What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.