Need some assistance with the following questions: Courts have generally held that interrogating officers are allowed to 'mislead' suspects during...

Need some assistance with the following questions:

Courts have generally held that interrogating officers are allowed to 'mislead' suspects during the questioning. Explain should this be done, or should it not? Provide reasons for your position.

Often a great deal of emphasis seems to be placed upon obtaining a confession. It can be argued that, by itself, a confession is worthless because it is so easily attacked in court. Of what value, then, is a confession?