When using interviews as a data-collection method, the evaluator must pay attention to the distortions that may be created. Evaluation is a political exercise and, in a political context, may favour the emergence of statements that represent resistance to objectifying their meaning. Based on the interviews conducted during the evaluation of the implementation of the UNAIDS Drug Access Initiative in Chile, the article illustrates different tactics participants use that may win the evaluator's sympathy or block access to information, and it presents a method of analysis the evaluator can use to give meaning to such statements.