Ronquillo operated a firm known as A.R. Financial and later AJRC Tax Services, in Las Vegas. Among the techniques she used were bogus charitable contributions, capital losses and unreimbursed employee expenses, such as meals and transportation expenses.

She was indicted on 20 counts of allegedly aiding and assisting in the preparation of a false federal income tax returns.

Ronquillo faces a maximum of three years in prison on each count, supervised release, restitution and monetary penalties.